TWI663009B - Band-shaped metal material, longitudinal cutting method and meandering measurement method of band-shaped material - Google Patents
Band-shaped metal material, longitudinal cutting method and meandering measurement method of band-shaped material Download PDFInfo
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- TWI663009B TWI663009B TW107107819A TW107107819A TWI663009B TW I663009 B TWI663009 B TW I663009B TW 107107819 A TW107107819 A TW 107107819A TW 107107819 A TW107107819 A TW 107107819A TW I663009 B TWI663009 B TW I663009B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D19/00—Shearing machines or shearing devices cutting by rotary discs
- B23D19/04—Shearing machines or shearing devices cutting by rotary discs having rotary shearing discs arranged in co-operating pairs
- B23D19/06—Shearing machines or shearing devices cutting by rotary discs having rotary shearing discs arranged in co-operating pairs with several spaced pairs of shearing discs working simultaneously, e.g. for trimming or making strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/08—Press-pads; Counter-bases; Hold-down devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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Abstract
本發明提供一種縱割後具有較高平行度之帶狀金屬材及獲得此種帶狀金屬材之縱割方法，並且提供一種合理地測量帶狀材之蛇行之方法。 The invention provides a strip-shaped metal material with a higher degree of parallelism after a longitudinal cut, and a longitudinal cutting method for obtaining such a strip-shaped metal material, and a method for rationally measuring the meandering of the strip-shaped material.
本發明係一種帶狀金屬材及縱割方法以及帶狀材之蛇行測量方法，該帶狀金屬材之特徵在於：使直尺接觸於帶狀金屬材之長度方向之側面，以長度50mm為單位測量直尺與帶狀金屬材之和長度方向成直角之方向的間隙時，該帶狀金屬材之長度方向上每1m之上述間隙之最大值為0.12mm以下。 The invention relates to a strip-shaped metal material, a longitudinal cutting method, and a meandering measurement method of the strip-shaped material. The strip-shaped metal material is characterized in that a ruler is brought into contact with a side surface in the length direction of the strip-shaped metal material, with a length of 50 mm as a unit When measuring the gap between the ruler and the band-shaped metal material in a direction perpendicular to the length direction, the maximum value of the gap per 1 m in the length direction of the band-shaped metal material is 0.12 mm or less.
Description
本發明係關於一種帶狀金屬材、將金屬素材沿著長度方向連續切斷成特定寬度而用以獲得帶狀金屬材之縱割方法以及帶狀材之蛇行測量方法。 The invention relates to a strip-shaped metal material, a longitudinal cutting method for continuously cutting a metal material to a specific width along a length direction to obtain the strip-shaped metal material, and a method for measuring the meandering of the strip-shaped material.
於軟鋼、銅、銅合金、不鏽鋼等金屬素材之生產線上，金屬素材一面於長度方向上被搬送一面藉由軋壓步驟製成最終板厚，然後根據使用者之期望被縱割分割成特定帶寬，且分別捲取成線圈狀而被出貨。作為將金屬素材縱割成特定寬度之方法，通常進行使金屬素材通過具有上下配置之圓刀切割器之縱割機之間的方法。 On the production line of soft steel, copper, copper alloy, stainless steel and other metal materials, the metal materials are transported in the length direction and the final plate thickness is made by the rolling step, and then divided into specific bandwidths according to user expectations , And rolled up into coils and shipped. As a method of longitudinally cutting a metal material to a specific width, a method of passing a metal material through a slitter having a circular knife cutter arranged vertically is generally performed.
若要被縱割前之金屬素材之形狀為起伏而非平坦，則被縱割後之帶狀金屬材之兩側邊緣不呈平行直線狀，而顯示為如圖2所示之具有彎曲之形狀。若為此種具有彎曲之形狀，則不適合於要求嚴格之尺寸精度之用途。例如於自帶狀金屬材藉由蝕刻形狀加工引線框架之情形時，若彎曲較大，則難以按照固定間隔利用壓製步驟進行開孔，而導致製品良率顯著降低。 If the shape of the metal material before slitting is undulating instead of flat, the edges of both sides of the strip-shaped metal material after slitting are not parallel and straight, but shown as a curved shape as shown in Figure 2 . If it has such a curved shape, it is not suitable for applications requiring strict dimensional accuracy. For example, when the lead frame is processed from a strip-shaped metal material by etching, if the bending is large, it is difficult to use a pressing step at a fixed interval to make a hole, and the yield of the product is significantly reduced.
作為防止彎曲之方法，已知有如下方法：於金屬素材通過縱割機之前，自金屬素材之兩側壓抵沿搬送方向呈直線狀排列之導輥(例如：專利文獻1)。 As a method for preventing bending, a method is known in which, before the metal material passes through the slitter, guide rollers arranged linearly in the conveying direction are pressed from both sides of the metal material (for example, Patent Document 1).
又，專利文獻2中記載有銅帶板之縱割裝置，其係將銅帶板於長度方向上切斷者，具有：退繞旋轉裝置，其送出銅帶板；多個上圓盤切割器及 下圓盤切割器，其等對銅帶板以將其於厚度方向不完全分離之程度實施剪切加工；按壓輥，其將被實施過剪切加工之銅帶板於厚度方向上按壓而將其完全分離切斷；及捲取旋轉裝置，其捲取被分離切斷之細銅帶板；且上圓盤切割器及下圓盤切割器之刀頭部係由下述局部錐形刀頭部構成，該局部錐形刀頭部包括與銅帶板之接觸角度為0°之平坦部及形成於平坦部之延長線上之與銅帶板之角度為5~30°之傾斜部；作為該發明之附屬效果，被縱割之細銅帶板之彎曲量亦變小。 In addition, Patent Document 2 describes a longitudinal cutting device for a copper strip plate, which is a person who cuts a copper strip plate in a lengthwise direction, and includes: an unwinding rotation device that feeds out the copper strip plate; and a plurality of upper disc cutters. And lower disc cutters, which perform shear processing on the copper strip plate to the extent that it is not completely separated in the thickness direction; pressing rollers, which press the copper strip plate subjected to shear processing in the thickness direction, and It is completely separated and cut; and a winding rotating device is used for winding the thin copper strip plate that is separated and cut; and the blade heads of the upper disc cutter and the lower disc cutter are made of the following partial conical blades The head is composed of a partially tapered blade head including a flat portion having a contact angle of 0 ° with a copper strip plate and an inclined portion formed on an extension line of the flat portion and having an angle of 5-30 ° with the copper strip plate; The subsidiary effect of this invention also reduces the amount of bending of the thin copper strip that is slit.
此處，彎曲量之測量通常依據JIS H 3100(2012)進行測量，具體而言，如圖2所示，稱為任意部位之相對於基準長度1000mm之弧之深度。 Here, the measurement of the amount of bending is generally measured in accordance with JIS H 3100 (2012). Specifically, as shown in FIG. 2, it is referred to as the depth of an arc at an arbitrary position with respect to a reference length of 1000 mm.
[專利文獻1]日本特開平10-109217號公報 [Patent Document 1] Japanese Patent Laid-Open No. 10-109217
[專利文獻2]日本特開2013-237116號公報 [Patent Document 2] Japanese Patent Laid-Open No. 2013-237116
然而，上述手段中，依然未能完全解決壓製步驟中之製品良率降低之課題。進而，本發明人等發現：即使降低根據上述JIS基準所測量之彎曲量，亦存在無法消除壓製步驟中之異常之課題之情形。 However, in the above methods, the problem of reducing the product yield in the pressing step has not been completely solved. Furthermore, the present inventors have found that even if the amount of bending measured according to the JIS standard is reduced, there is a case where the problem of abnormality in the pressing step cannot be eliminated.
並且，本發明者等人進一步潛心研究之結果發現：於沿著長度方向將金屬素材連續切斷成特定寬度而獲得帶狀金屬材時，產生寬度方向及垂直方向之微振動，藉此帶狀金屬材以微小週期蛇行。該微小週期之蛇行(以下稱為「微小蛇行起伏」)存在根據上述JIS基準無法檢測之情形，其結果，存在即使減小根 據上述JIS基準所測量之彎曲量，亦無法獲得適於壓製步驟之帶狀金屬材之情形。 In addition, as a result of further intensive research by the inventors, it was found that when the metal material is continuously cut into a specific width along the length direction to obtain a band-shaped metal material, micro-vibrations in the width direction and the vertical direction are generated, whereby the band shape The metal material snakes in small cycles. There is a case where the serpentine of this microcycle (hereinafter referred to as "minor serpentine") cannot be detected according to the above JIS standard. As a result, even if the amount of bending measured according to the above JIS standard is reduced, it is impossible to obtain a suitable step for the pressing step. In the case of a band-shaped metal material.
因此，需要有抑制了該微小蛇行起伏之平行度較高之帶狀金屬材、及用以獲得此種帶狀金屬材之縱割方法。又，除上述JIS基準以外，需要反映出因縱割時之微振動所產生之微小蛇行起伏之合理的測量方法。 Therefore, there is a need for a strip-shaped metal material having a high degree of parallelism in which the minute meandering is suppressed, and a slitting method for obtaining such a strip-shaped metal material. In addition to the above JIS standards, it is necessary to reflect a reasonable measurement method of minute serpentine fluctuations caused by microvibration during longitudinal cutting.
即，帶狀金屬材具有根據JIS基準所測量之彎曲量及微小蛇行起伏之兩者。因此，即使能夠製造根據JIS基準所測量之彎曲量為零者，微小蛇行起伏亦不為零。 That is, the band-shaped metal material has both the amount of bending measured according to the JIS standard and the minute meandering. Therefore, even if the amount of bending measured according to the JIS standard is zero, the minute meandering is not zero.
其原因在於，根據JIS基準所測量之彎曲量與微小蛇行起伏中，所產生之原因體系不同。亦即，根據JIS基準所測量之彎曲之產生起因於縱割前之素材之形狀。並且，縱割前之素材之形狀受到精冷軋步驟或精軋步驟之後之形狀矯正步驟或者弛力退火步驟之影響。另一方面，微小蛇行起伏之產生如上所述，起因於縱割機設備及縱割方法。 The reason is that the amount of bending measured according to the JIS standard is different from the cause of the slight meandering. That is, the occurrence of the curvature measured according to the JIS standard is caused by the shape of the material before slitting. In addition, the shape of the material before the slitting is affected by the shape-correcting step or the relaxation annealing step after the finish-rolling step or the finish-rolling step. On the other hand, the occurrence of minute serpentine fluctuations is caused by the slitter equipment and the slitting method as described above.
因此，本發明之課題在於提供一種縱割後具有較高平行度之帶狀金屬材及用以獲得此種帶狀金屬材之縱割方法，並且提供一種合理地測量帶狀材之微小蛇行起伏之方法。 Therefore, the object of the present invention is to provide a strip-shaped metal material having a high degree of parallelism after slitting, a slitting method for obtaining such a strip-shaped metal material, and a reasonable measurement of the minute meandering of the strip-shaped material. Method.
本發明包含如下形態。 The present invention includes the following aspects.
(1)一種帶狀金屬材，其使直尺接觸於帶狀金屬材之長度方向之側面，以長度50mm為單位測量直尺與帶狀金屬材之和長度方向成直角之方向之間隙時，該帶狀金屬材之長度方向上每1m之上述間隙之最大值為0.12mm以下。 (1) A strip-shaped metal material, in which a ruler is brought into contact with a side surface in the lengthwise direction of the strip-shaped metal material, and the gap between the length of the ruler and the strip-shaped metal material in a direction perpendicular to the length direction is measured in units of 50 mm in length, The maximum value of the gap per 1 m in the longitudinal direction of the band-shaped metal material is 0.12 mm or less.
(2)如(1)所述之帶狀金屬材，其中，長度方向上每1m之彎曲量為0.03mm以下。 (2) The strip-shaped metal material according to (1), wherein a bending amount per 1 m in the longitudinal direction is 0.03 mm or less.
(3)如(1)或(2)所述之帶狀金屬材，其中，上述帶狀金屬材為銅或 銅合金之帶狀金屬材。 (3) The strip-shaped metal material according to (1) or (2), wherein the strip-shaped metal material is a strip-shaped metal material of copper or a copper alloy.
(4)一種方法，其係將金屬素材一面於長度方向上搬送一面縱割成特定帶寬之方法，包括實施縱割步驟及以下之(i)~(iii)之步驟；該縱割步驟係使用下述縱割機將金屬素材縱割成特定帶寬，該縱割機具有用以將於長度方向上被搬送之金屬素材之兩側之邊緣區域切除的兩對圓刀切割器、及配置於上述兩對圓刀切割器之各內側且用以將上述金屬素材切斷成特定寬度的至少一對圓刀切割器；(i)~(iii)之步驟如下：(i)上述縱割步驟之前，將於長度方向上被搬送之金屬素材之移動限制於自圓刀切割器之位置至金屬素材寬度之至少1倍之位置之區域中，自兩側限制金屬素材之穿過方向；(ii)上述縱割步驟之前，自正反方向將於長度方向上被搬送之金屬素材之移動限制於自圓刀切割器之位置至金屬素材寬度之至少1倍之位置之區域中；(iii)上述縱割步驟之後，以至少一處以上之位置自正反方向將上述縱割後之金屬素材之移動限制於自圓刀切割器之位置至金屬素材寬度之3倍之位置之區域中。 (4) A method, which is a method of longitudinally cutting a metal material into a specific bandwidth while conveying it in the length direction, and includes a step of performing the slitting and the following steps (i) to (iii); the slitting step is used The following vertical slitter cuts a metal material into a specific bandwidth. The vertical slitter has two pairs of circular knife cutters for cutting edge areas on both sides of the metal material being transported in the length direction, and is arranged on the above. At least one pair of circular knife cutters on each inner side of the two pairs of circular knife cutters for cutting the above-mentioned metal material into a specific width; (i) ~ (iii) The steps are as follows: (i) Before the above-mentioned longitudinal cutting step, The movement direction of the metal material to be transported in the length direction is limited to the area from the position of the circular knife cutter to at least one time the width of the metal material, and the passing direction of the metal material is restricted from both sides; (ii) the above Before the slitting step, the movement of the metal material to be transported in the longitudinal direction from the front and back directions is limited to the area from the position of the circular cutter to the position of at least 1 times the width of the metal material; (iii) the above-mentioned slitting After the steps, take at least one Since the position of the forward and reverse directions of movement of the metal material after the vertical cutting disc knife from the limited position of the cutter to the position of three times the area of the metal material width.
(5)如(4)所述之方法，其進而包括如下步驟：於實施自兩側及正反方向限制於長度方向上被搬送之金屬素材之移動之步驟前，對金屬素材進行校平矯正。 (5) The method according to (4), further comprising the step of: leveling and correcting the metal material before performing the steps of restricting the movement of the metal material in the length direction from both sides and the front and back directions. .
(6)一種蛇行測量方法，其係帶狀材之蛇行測量方法，其特徵在於：使直尺接觸於被切取成長度方向固定長度之帶狀材側面，以固定長度之間距為單位測量直尺與帶狀材之和長度方向成直角之方向之間隙。 (6) A meandering measurement method, which is a method for measuring the meandering of a band-shaped material, characterized in that a ruler is brought into contact with a side of the band-shaped material cut to a fixed length in the length direction, and the ruler is measured in units of a fixed distance Clearance in a direction perpendicular to the length of the strip.
(7)如(6)所述之蛇行測量方法，其中，上述間距為帶狀材長度之十分之一以下。 (7) The meandering measurement method according to (6), wherein the pitch is not more than one tenth of the length of the strip.
根據本發明，能夠獲得抑制了蛇行之平行度較高之帶狀金屬材，能夠有效抑制上述壓製步驟中之異常。 According to the present invention, it is possible to obtain a band-shaped metal material having a high degree of parallelism in which meandering is suppressed, and it is possible to effectively suppress an abnormality in the pressing step.
110a、110b‧‧‧前段之蛇行防止板 110a, 110b ‧‧‧ The snake prevention board in the previous paragraph
120‧‧‧蛇行防止用導輥 120‧‧‧Guide roller for preventing meandering
130‧‧‧縱割機 130‧‧‧Slider
140a、140b、160a、160b、170a、170b‧‧‧後段之蛇行防止板 140a, 140b, 160a, 160b, 170a, 170b ‧
150b‧‧‧重物 150b‧‧‧ heavy
200‧‧‧金屬素材 200‧‧‧ metal material
203‧‧‧測量台 203‧‧‧Measuring table
204‧‧‧基準直尺 204‧‧‧ Reference Ruler
208‧‧‧間隔件 208‧‧‧ spacer
210‧‧‧測量孔 210‧‧‧Measuring hole
250‧‧‧帶狀材 250‧‧‧ Strip
圖1係表示帶狀金屬材蛇行之狀態之示意圖。 FIG. 1 is a schematic view showing a state in which a band-shaped metal material snakes.
圖2係表示JIS H 3100(2012)中之彎曲量之測量方法之圖。 FIG. 2 is a diagram showing a method of measuring a bending amount in JIS H 3100 (2012).
圖3係表示本發明之一實施形態之縱割機設備之構成之示意圖。 Fig. 3 is a schematic diagram showing the structure of a slitter device according to an embodiment of the present invention.
圖4係表示本發明之一實施形態之帶狀材之蛇行測量方法之圖。 FIG. 4 is a diagram showing a meandering measurement method for a strip-shaped material according to an embodiment of the present invention.
(帶狀金屬材) (Band metal)
作為帶狀金屬材之種類，並無特別限制，可列舉例如鋼、銅、銅合金、不鏽鋼等。 The type of the band-shaped metal material is not particularly limited, and examples thereof include steel, copper, copper alloy, and stainless steel.
此處，重要的是，使直尺接觸於帶狀金屬材之長度方向之側面並以長度50mm為單位測量直尺與帶狀金屬材之與長度方向成直角之方向之間隙時，該帶狀金屬材之長度方向上每1m之上述間隙之最大值為0.12mm以下。 Here, it is important that when the ruler is brought into contact with the side surface of the band-shaped metal material in the longitudinal direction and the gap between the ruler and the band-shaped metal material in a direction perpendicular to the length direction is measured in units of 50 mm in length, The maximum value of the gap per 1 m in the length direction of the metal material is 0.12 mm or less.
如上所述，沿著長度方向將金屬素材連續切斷成特定寬度而獲得帶狀金屬材時，產生寬度方向及垂直方向之微振動，藉此帶狀金屬材蛇行。此種因微振動所產生之蛇行未必表現為帶狀金屬材之彎曲，故存在JIS H 3100(2012)中之彎曲量之測量方法無法準確地測量之情形。為了準確地評價此種蛇行，必須相較JIS H 3100(2012)中之方法增加測量點。因此，本發明設定為，使直尺接觸於帶狀金屬材之長度方向之側面並以長度50mm為單位測量直尺與帶狀金屬材之與長度方向成直角之方向之間隙時，該帶狀金屬材之長度方向上每1m 之上述間隙之最大值為0.12mm以下。藉此能夠自多數之測量點獲得間隙之值，能夠準確地反映因微振動所產生之蛇行。其結果，能夠確實地提供適於其後之壓製步驟等之帶狀金屬材。 As described above, when a metal material is continuously cut into a specific width along the length direction to obtain a band-shaped metal material, micro-vibrations in the width direction and the vertical direction occur, whereby the band-shaped metal material snakes. Such meandering caused by microvibration does not necessarily appear as bending of a band-shaped metal material, so there is a case where the method of measuring the amount of bending in JIS H 3100 (2012) cannot be accurately measured. In order to accurately evaluate such meandering, it is necessary to increase the measurement points compared to the method in JIS H 3100 (2012). Therefore, in the present invention, when the ruler is brought into contact with the side surface of the band-shaped metal material in the longitudinal direction and the gap between the ruler and the band-shaped metal material in a direction perpendicular to the length direction is measured in units of 50 mm in length, the band shape The maximum value of the gap per 1 m in the length direction of the metal material is 0.12 mm or less. In this way, the value of the gap can be obtained from most measurement points, and the meandering caused by micro-vibration can be accurately reflected. As a result, it is possible to reliably provide a band-shaped metal material suitable for the subsequent pressing step and the like.
測量上述間隙之最大值之方法之詳細內容將於下文敍述。 The details of the method of measuring the maximum value of the gap will be described later.
又，較佳為如下帶狀金屬材：滿足上述條件，並且長度方向上每1m之彎曲量為0.03mm以下。該彎曲量係藉由JIS H 3100(2012)中之彎曲量之測量方法而獲得之值。藉此，能夠進一步確實地保證帶狀金屬材之品質。 In addition, it is preferable that the band-shaped metal material satisfies the above conditions and has a bending amount per 1 m in the longitudinal direction of 0.03 mm or less. This bending amount is a value obtained by a measuring method of the bending amount in JIS H 3100 (2012). This can further ensure the quality of the band-shaped metal material.
若帶狀金屬材之拉伸強度為600MPa以上，則可謂具有作為電氣電子零件之素材所必需之強度。亦存在若拉伸強度超過950MPa則加工變得困難之情形，故較佳為950MPa以下。又，自同樣地兼顧強度及加工性之觀點而言，帶狀金屬材之維氏硬度較佳為設為180~300。 If the tensile strength of the band-shaped metal material is 600 MPa or more, it can be said that it has the necessary strength as a material for electrical and electronic parts. There is also a case where processing becomes difficult if the tensile strength exceeds 950 MPa. Therefore, it is preferably 950 MPa or less. In addition, from the viewpoint of both strength and workability being equal, the Vickers hardness of the band-shaped metal material is preferably 180 to 300.
其次，一面參照圖式一面說明本發明之縱割機設備及縱割方法。圖3中顯示有表示本實施形態之縱割機設備(100)之構成之示意圖。自開卷機(pay-off reel)(未圖示)捲出之長條之金屬素材(200)一面於長度方向上被搬送一面於縱割機(130)中被縱割分割成所需帶寬。分割後，金屬素材(200)能夠分別藉由張力輥(未圖示)捲取成線圈狀。雖未圖示，但金屬素材(200)能夠於縱割機設備(100)之前段及後段呈環狀鬆弛。藉此，容易調整金屬素材(200)之搬送速度。 Next, the longitudinal cutting machine equipment and the longitudinal cutting method of the present invention will be described with reference to the drawings. FIG. 3 is a schematic diagram showing the structure of a slitter device (100) according to this embodiment. The long strip of metal material (200) rolled from a pay-off reel (not shown) is transported in the lengthwise direction and is slitted in a slitter (130) into the required bandwidth. After the division, the metal material (200) can be wound into a coil shape by a tension roller (not shown), respectively. Although not shown, the metal material (200) can be loosened in a ring shape at the front and rear sections of the slitter equipment (100). This makes it easy to adjust the conveying speed of the metal material (200).
作為縱割之金屬素材(200)之種類，並無特別限制，可列舉例如軟鋼、銅、銅合金、不鏽鋼等。就獲得縱割後具有較高平行度之金屬素材(200)之方面而言，較理想為於金屬素材(200)進入縱割機(130)之前，預先藉由校平輥等進行校平矯正而提高平坦度。金屬素材之厚度較佳為設為0.10~0.16mm。若未達0.10mm，則強度較低，很難以金屬單獨體使用而需要與樹脂等貼合。若超過0.16mm，則於彎曲加工中必須將彎曲半徑設定得較 大，而不適合於電氣電子零件之小型化。又，縱割後之帶狀金屬材之寬度較佳為設定為100~200mm。若未達100mm則生產性較差，若超過200mm則難以於整個寬度進行品質穩定之壓製加工。 The type of the longitudinally-cut metal material (200) is not particularly limited, and examples thereof include mild steel, copper, copper alloy, and stainless steel. In terms of obtaining a metal material (200) with a higher degree of parallelism after the slitting, it is preferable that the metal material (200) is leveled and corrected by a leveling roller or the like before it enters the slitter (130). And improve the flatness. The thickness of the metal material is preferably set to 0.10 to 0.16 mm. If it is less than 0.10 mm, the strength is low, and it is difficult to use the metal alone, and it is necessary to adhere to a resin or the like. If it exceeds 0.16mm, the bending radius must be set to a large value during bending processing, which is not suitable for miniaturization of electric and electronic parts. The width of the strip-shaped metal material after the vertical cutting is preferably set to 100 to 200 mm. If it is less than 100 mm, productivity is poor, and if it exceeds 200 mm, it is difficult to perform press processing with stable quality over the entire width.
(導輥) (Guide rollers)
於縱割機(130)之前段，在搬送中之金屬素材(200)之兩側設置有導輥(120)。導輥(120)係用以藉由自兩側限制金屬素材(200)之穿過方向而防止蛇行之裝置。當搬送中之金屬素材(200)開始蛇行時，藉由使金屬素材(200)之側面抵接於導輥(120)之側面而阻止蛇行並於特定之穿過方向上矯正。導輥(120)之旋轉軸與金屬素材(200)之正反方向平行，藉此金屬素材(200)抵接於導輥(120)時之導輥之旋轉方向與金屬素材(200)之穿過方向一致。藉此能夠降低金屬素材(200)與導輥(120)之間之摩擦。為了確保蛇行防止效果，導輥(120)必須配置於下述縱割機之圓刀切割器之位置至金屬素材寬度之至少1倍之位置之區域內。為了提高蛇行防止效果，導輥(120)較佳為於各側呈直線狀排列多個。又，導輥(120)較佳為成對設置於金屬素材(200)之對向之兩側。 In front of the slitter (130), guide rollers (120) are provided on both sides of the metal material (200) being conveyed. The guide roller (120) is a device for preventing meandering by restricting the passing direction of the metal material (200) from both sides. When the metal material (200) in transit starts to snake, the side of the metal material (200) abuts against the side of the guide roller (120) to prevent the snake and correct it in a specific passing direction. The rotation axis of the guide roller (120) is parallel to the front and back directions of the metal material (200), whereby the rotation direction of the guide roller and the penetration of the metal material (200) when the metal material (200) abuts the guide roller (120) Passing directions are consistent. This can reduce the friction between the metal material (200) and the guide roller (120). In order to ensure the effect of preventing the meandering, the guide roller (120) must be arranged in the area of the position of the circular knife cutter of the following vertical cutter to at least one time the width of the metal material. In order to improve the meandering prevention effect, it is preferable that a plurality of guide rollers (120) are linearly arranged on each side. The guide rollers (120) are preferably arranged in pairs on opposite sides of the metal material (200).
(縱割機前段之蛇行防止板) (Snake prevention plate in front of slitter)
但是，若僅僅設置導輥(120)則蛇行防止效果有限，無法高水平地阻止蛇行。又，僅藉由導輥(120)無法限制金屬素材(200)向上下方向移動，故亦存在產生起伏或金屬素材(200)越過導輥(120)之情形。因此，有效的是，於縱割機(130)之前段，進而設置用以自上下按壓金屬素材(200)之一對蛇行防止板(110a、110b)作為蛇行防止手段。自防止蛇行、防止起伏、防止越過導輥(120)之觀點而言，較佳為設置導輥(120)與蛇行防止板(110a、110b)之穿過方向之長度範圍至少部分重疊。可將下側之蛇行防止板(110b)鋪在適當之基座或地板上，其上以夾著搬送中之金屬素材(200)之 方式載置上側之蛇行防止板(110a)。藉由除導輥(120)以外亦設置蛇行防止板(110a、110b)，而抑制金屬素材(200)之蛇行、起伏及越過導輥，故能夠使基材以更平坦之狀態進入縱割步驟。為了確保蛇行防止效果，蛇行防止板(110a、110b)必須配置於下述縱割機之圓刀切割器之位置至金屬素材寬度之至少1倍之位置之區域內。 However, if only the guide roller (120) is provided, the meandering prevention effect is limited, and the meandering cannot be prevented at a high level. In addition, the movement of the metal material (200) in the up and down direction cannot be restricted by the guide roller (120) alone, so there may be a case where the metal material (200) passes over the guide roller (120). Therefore, it is effective to provide a pair of meandering prevention plates (110a, 110b) for pressing one of the metal materials (200) from above and below as a meandering prevention means in front of the slitter (130). From the viewpoints of preventing meandering, preventing undulation, and preventing the guide roller (120) from passing, it is preferred that the guide roller (120) and the meandering prevention plate (110a, 110b) have at least a partial overlap in a length direction. The lower snake prevention plate (110b) may be laid on an appropriate base or floor, and the upper snake prevention plate (110a) may be placed on the upper side so as to sandwich the metal material (200) in transit. By providing a meandering prevention plate (110a, 110b) in addition to the guide roller (120), the meandering of the metallic material (200), undulations, and passing over the guide roller are suppressed, so that the substrate can enter the slitting step in a flatter state. . In order to ensure the effect of preventing the meandering, the meandering prevention plates (110a, 110b) must be arranged in the area of the position of the circular cutter of the following vertical slitter to at least one time the width of the metal material.
較佳為於蛇行防止板(110a、110b)之與金屬素材(200)接觸之面貼附市售之不織布等摩擦阻力較低之材質之片材，以便不會對金屬素材(200)造成損傷，且不使搬送阻力變大。蛇行防止板(110a、110b)對金屬素材(200)之按壓力兼顧蛇行防止效果進行適當設定即可，即使為將蛇行防止板(110a、110b)製成膠合板之時之自身重量程度亦可獲得充分之效果。於蛇行防止板之自身重量無法充分獲得蛇行防止效果之情形時，亦可於蛇行防止板之上進而放置重物。 It is preferable to attach a sheet of a material with low friction resistance, such as a commercially available non-woven fabric, to the surface of the meandering prevention plate (110a, 110b) in contact with the metal material (200) so as not to damage the metal material (200). , And does not make the conveying resistance larger. The meandering prevention plate (110a, 110b) can appropriately set the pressing force of the metal material (200) while taking into account the effect of preventing the meandering prevention. Even when the meandering prevention plate (110a, 110b) is made of plywood, the weight can be obtained. Full effect. In the case where the weight of the meandering prevention plate cannot sufficiently obtain the meandering prevention effect, it is also possible to place a heavy object on the meandering prevention plate.
就提高蛇行防止效果之觀點而言，較佳為蛇行防止板(110a、110b)之寬度設為金屬素材(200)之寬度以上，且以遍及金屬素材(200)之整個寬度方向按壓金屬素材(200)之方式設置。蛇行防止板(110a、110b)之穿過方向之長度兼顧蛇行防止效果進行適當設定即可。上下之蛇行防止板(110a、110b)亦可分別由一片構成，還可藉由於搬送方向排列多片而構成。具體而言，蛇行防止板(110a、110b)之穿過方向之長度較佳為設為500~800mm。 From the viewpoint of improving the meandering prevention effect, it is preferable that the width of the meandering prevention plates (110a, 110b) is set to be greater than the width of the metallic material (200), and the metallic material (200) is pressed in the entire width direction of the metallic material (200) ( 200). The length of the meandering prevention plate (110a, 110b) in the passing direction may be set appropriately in consideration of the meandering prevention effect. The upper and lower meandering prevention plates (110a, 110b) may be constituted by a single piece, and may be constituted by arranging a plurality of pieces in the conveying direction. Specifically, the length of the meandering prevention plate (110a, 110b) in the passing direction is preferably 500 to 800 mm.
(縱割機) (Slitting machine)
參照圖3，於一實施形態中，縱割機(130)可具有：上下兩對圓刀切割器，其等用以切除於長度方向上被搬送之金屬素材之兩側之邊緣區域；及至少上下一對圓刀切割器，其等配置於上述兩對圓刀切割器之各內側，用以將上述金屬素材切斷成特定寬度。 Referring to FIG. 3, in an embodiment, the vertical cutting machine (130) may have: two pairs of upper and lower circular knife cutters, which are used to cut off the edge regions on both sides of the metal material conveyed in the length direction; and at least A pair of upper and lower circular knife cutters are arranged on the inner sides of the two pairs of circular knife cutters to cut the metal material into a specific width.
(縱割機後段之蛇行防止板) (Snake prevention plate at the back of the slitter)
為了顯著提高縱割後之金屬素材(200)之平行度，有效的是，於縱割機(130)之後段亦設置蛇行防止板(140a、140b、160a、160b、170a、170b)。藉由防止縱割後之金屬素材(200)之蛇行而可防止縱割後之金屬素材(200)重疊，且防止縱割後之金屬素材(200)蛇行亦有助於縱割前及縱割中之金屬素材(200)之蛇行防止。為了確保蛇行防止效果，蛇行防止板(140a、140b、160a、160b、170a、170b)必須配置於自縱割機之圓刀切割器之位置至金屬素材寬度之3倍以上之位置之區域內。於蛇行防止板(140a、140b、160a、160b、170a、170b)之自身重量無法充分獲得蛇行防止效果之情形時，亦可於蛇行防止板之上進而放置重物(150)。蛇行防止板(140a、140b、160a、160b、170a、170b)之較佳之態樣與縱割機(130)前段之蛇行防止板(110a、110b)相同，故省略說明。 In order to significantly improve the parallelism of the metal material (200) after slitting, it is effective that a snake prevention plate (140a, 140b, 160a, 160b, 170a, 170b) is also provided at the rear section of the slitter (130). By preventing the metal material (200) from slicing after the vertical cutting, the metal material (200) after the vertical slicing can be prevented from overlapping, and the metal material (200) after the vertical slicing also helps to prevent the vertical slicing and the vertical slicing. Prevention of snakes in the metal material (200). In order to ensure the effect of preventing the meandering, the meandering prevention plate (140a, 140b, 160a, 160b, 170a, 170b) must be arranged in the area from the position of the circular cutter of the vertical cutter to a position more than three times the width of the metal material. When the weight of the meandering prevention plate (140a, 140b, 160a, 160b, 170a, 170b) cannot sufficiently obtain the meandering prevention effect, a weight (150) may be placed on the meandering prevention plate. The preferred aspect of the meandering prevention plate (140a, 140b, 160a, 160b, 170a, 170b) is the same as the meandering prevention plate (110a, 110b) in the front section of the slitter (130), so the description is omitted.
其次，對本發明之帶狀材之蛇行測量方法進行說明。當測量帶狀材之蛇行時，使直尺接觸於被切取成長度方向固定長度之帶狀材側面，以固定長度之間距為單位測量該直尺與該帶狀材之與長度方向成直角之方向之間隙。藉此，能夠有效地將因縱割時之微振動所產生之蛇行反映於測量結果。例如，能夠以帶狀材長度之十分之一以下之長度設定間距，測量10點以上，將獲得之值之最大值設為蛇行之指標值，將該最大值為固定指標以下者設為合格。 Next, the meandering measurement method of the belt-shaped material of this invention is demonstrated. When measuring the meandering of the strip, the ruler is in contact with the side of the strip that is cut to a fixed length in the length direction, and the distance between the ruler and the strip at right angles to the length is measured in units of a fixed length. Clearance in directions. With this, it is possible to effectively reflect the meandering caused by the micro-vibration during the longitudinal cutting to the measurement result. For example, the distance can be set to a length of less than one-tenth of the length of the strip, and measured at 10 points or more. The maximum value obtained can be set as the mean value of the meandering, and the maximum value can be qualified if it is less than the fixed value. .
例如，如圖4所示，於具有用以載置帶狀材(250)之平面、及於該平面上沿著測量方向以特定之間距所設置之多個測量孔(210)之測量台(203)上，以部分蓋住各測量孔之方式沿著測量方向於上述測量台(203)上載置基準直尺(204)，可測量各測量孔(210)中之基準直尺(204)與帶狀材(250)之間隙。此處，為了容易地測量基準直尺(204)與帶狀材(250)之間隙，亦可使帶狀材(250)與基準直尺(204)相隔能夠部分蓋住各測量孔之距離地沿著測量方向配置間隔件(208)。於配置該間隔件(208)之情形 時，基準直尺(204)與帶狀材(250)之間隙之實際值係由測量值減去間隔件(208)之偏距所獲得之值。 For example, as shown in FIG. 4, on a measuring table having a plane on which a belt-shaped material (250) is placed, and a plurality of measuring holes (210) provided along the measuring direction at a certain distance along the measuring direction ( 203), the reference ruler (204) is placed on the above-mentioned measuring table (203) along the measurement direction so as to partially cover each measurement hole, and the reference ruler (204) and each of the measurement holes (210) can be measured. The gap of the strip (250). Here, in order to easily measure the gap between the reference ruler (204) and the band-shaped member (250), the band-shaped member (250) and the reference ruler (204) may be separated from each other so as to partially cover the distance of each measurement hole. The spacer (208) is arranged along the measurement direction. When the spacer (208) is arranged, the actual value of the gap between the reference ruler (204) and the strip (250) is the value obtained by subtracting the offset of the spacer (208) from the measured value.
本發明之帶狀材之蛇行測量方法能夠適用於本發明之帶狀金屬材。又，本發明之帶狀材之蛇行測量方法只要為長條狀之帶狀材則能夠適用，亦可未必應用於帶狀金屬材。 The meandering measurement method of the strip-shaped material of the present invention can be applied to the strip-shaped metal material of the present invention. In addition, the meandering measurement method of the strip-shaped material of the present invention is applicable as long as it is a strip-shaped strip material, and it may not necessarily be applied to a strip-shaped metal material.
以下表示本發明之實施例，實施例係為了更好地理解本發明及其優點而提供者，並不意圖限定發明。 The following shows examples of the present invention. The examples are provided for better understanding of the present invention and its advantages, and are not intended to limit the invention.
針對具有表1所示之拉伸強度、維氏硬度、板厚及板寬之金屬素材之卡遜銅合金(2~4質量%Ni-0.4~1.0質量%Si-Cu)，使用具有圖3所示之構造之縱割機設備，對金屬素材進行縱割加工。關於各實施例及發明例，縱割機前段之蛇行防止板之長度(110a、110b)、有無縱割機後段之蛇行防止板(140a、140b、160a、160b、170a、170b)、縱割後帶狀金屬材之寬度亦如表1所述進行調節。 For Carson copper alloys (2 ~ 4 mass% Ni-0.4 ~ 1.0 mass% Si-Cu) with metallic materials with tensile strength, Vickers hardness, plate thickness and plate width shown in Table 1, use Figure 3 The slitter device of the structure shown performs slitting of metallic materials. Regarding the embodiments and invention examples, the length of the meandering prevention plate (110a, 110b) in the front section of the slitter, the presence or absence of the meandering prevention plate (140a, 140b, 160a, 160b, 170a, 170b) in the rear section of the slitter, and the longitudinal cutting machine The width of the band-shaped metal material is also adjusted as described in Table 1.
縱割機設備之操作條件如下。 The operating conditions of the slitter equipment are as follows.
導輥(120)：於穿過方向直線狀設置於兩側。設置導輥之區域設為與設置前段之蛇行防止板(110a、110b)之區域相同。 Guide roller (120): linearly arranged on both sides in the passing direction. The area where the guide roller is installed is set to be the same as the area where the meandering prevention plate (110a, 110b) at the previous stage is provided.
前段之蛇行防止板(110a、110b)：於與金屬素材相接之面貼附市售之不織布之膠合板。以不產生擦傷之方式調整重量。 Snake prevention plate (110a, 110b) in the previous stage: a commercially available non-woven plywood is affixed to the surface contacting the metal material. Adjust the weight in a way that does not cause abrasions.
後段之蛇行防止板(140a、140b、160a、160b、170a、170b)：於與金屬素材相接之面貼附市售製造之不織布之膠合板。以不產生擦傷之方式調整重量。 Snake prevention plate (140a, 140b, 160a, 160b, 170a, 170b) at the rear stage: a commercially available non-woven plywood is affixed to the surface contacting the metal material. Adjust the weight in a way that does not cause abrasions.
重物(150)：以不產生擦傷之方式調整重量。 Weight (150): Adjust the weight in such a way as not to cause abrasions.
各實施例及比較例之評價如下進行。 Evaluation of each Example and a comparative example was performed as follows.
<拉伸強度> <Tensile strength>
藉由拉伸試驗機根據JIS-Z2241測量與軋壓方向平行之方向上之拉伸強度。 The tensile strength in a direction parallel to the rolling direction was measured by a tensile tester according to JIS-Z2241.
<維氏硬度> <Vickers hardness>
根據JIS-Z-2244(2009)以負載：0.098N進行顯微維氏硬度試驗，測量顯微維氏硬度。 The micro Vickers hardness test was performed with a load: 0.098 N in accordance with JIS-Z-2244 (2009), and the micro Vickers hardness was measured.
<彎曲> <Bend>
依據JIS H 3100(2012)進行測量。 The measurement was performed in accordance with JIS H 3100 (2012).
<微小蛇行起伏> <Tiny Serpentine Ups and Downs>
沿著縱割後之帶狀金屬材之長度方向切除1m，使直尺接觸於其長度方向之側面，以長度50mm為單位測量直尺與帶狀金屬材之與長度方向成直角之方向之間隙，將其最大值設為微小蛇行起伏之值。 Cut 1m along the length direction of the strip-shaped metal material after vertical cutting, make the ruler contact the side of the length direction, and measure the gap between the ruler and the strip-shaped metal material at a right angle to the length direction with a length of 50mm. , Set its maximum value to the value of tiny snakes.
<有無壓製異常> <Presence or absence of suppression>
如圖2所示，依序進行以移行間距(移行長度)製作引導孔之步驟、以移行間距(移行長度)輸送材料之步驟、以移行間距(移行長度)使定位衝頭***引導孔之步驟，藉由重複該一連串之動作而進行連續輸送帶狀金屬帶之壓製試驗。於壓製試驗中，以如下方式判定有異常及無異常。 As shown in Fig. 2, the steps of making guide holes at the travel pitch (travel length), the steps of conveying materials at the travel pitch (travel length), and the steps of inserting the positioning punch into the guide holes at the travel pitch (travel length) are sequentially performed. , By repeating this series of actions, a pressing test for continuously conveying the belt-shaped metal belt is performed. In the compression test, the presence or absence of abnormality was determined as follows.
‧有壓製異常：停止帶狀金屬帶之輸送。 ‧Suppressed abnormally: Stop the conveyance of the ribbon metal belt.
‧有壓製異常：壓製後之帶狀金屬帶之邊緣因與壓製機構造部接觸而變形。 ‧Suppressed abnormality: The edge of the strip-shaped metal strip after pressing is deformed by contact with the structure of the press.
‧有壓製異常：於壓製後之帶狀金屬帶之邊緣產生因與壓製機構造部接觸所導致之損傷。 ‧Suppressed abnormality: The edge of the strip-shaped metal belt after the pressing is damaged due to contact with the structure of the pressing machine.
‧無壓製異常：未發現任何上述停止、變形及損傷。 ‧No suppression of abnormality: No stopping, deformation and damage were found.
實施例1~11因蛇行之值為0.12mm以下，故其後之壓製步驟中無異常。彎曲之值亦能夠抑制為0.03mm以下。 In Examples 1 to 11, since the value of the meandering was 0.12 mm or less, there was no abnormality in the subsequent pressing step. The value of bending can also be suppressed to 0.03 mm or less.
另一方面，比較例1~6因蛇行之值超過0.13mm，故其後之壓製步驟中產生異常。尤其於比較例1~3中，可知由於彎曲之值處於較低之水準，但蛇行之值較高，故無法抑制壓製步驟中之異常。 On the other hand, in Comparative Examples 1 to 6, since the value of the meandering exceeded 0.13 mm, an abnormality occurred in the subsequent pressing step. In particular, in Comparative Examples 1 to 3, it can be seen that since the value of the bending is at a low level, but the value of the meandering is high, the abnormality in the pressing step cannot be suppressed.
Claims (7)
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| JP2017070411A JP6787832B2 (en) | 2017-03-31 | 2017-03-31 | Manufacturing method of strip metal material |
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| KR (2) | KR102425952B1 (en) |
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| CN110475639A (en) | 2019-11-19 |
| JP2018171677A (en) | 2018-11-08 |
| CN114101779A (en) | 2022-03-01 |
| KR102425952B1 (en) | 2022-07-28 |
| TW201836742A (en) | 2018-10-16 |
| JP6787832B2 (en) | 2020-11-18 |
| KR20210084684A (en) | 2021-07-07 |
| WO2018180378A1 (en) | 2018-10-04 |
| KR20190133735A (en) | 2019-12-03 |
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