JP3510669B2 - Linear guide and manufacturing method thereof - Google Patents
Linear guide and manufacturing method thereofInfo
- Publication number
- JP3510669B2 JP3510669B2 JP14032594A JP14032594A JP3510669B2 JP 3510669 B2 JP3510669 B2 JP 3510669B2 JP 14032594 A JP14032594 A JP 14032594A JP 14032594 A JP14032594 A JP 14032594A JP 3510669 B2 JP3510669 B2 JP 3510669B2
- Authority
- JP
- Japan
- Prior art keywords
- rail body
- linear
- pair
- planes
- rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/005—Guide rails or tracks for a linear bearing, i.e. adapted for movement of a carriage or bearing body there along
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Bearings For Parts Moving Linearly (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、レールボデイと、前記
レールボデイの係合部に固定され、摺動面を有する線状
部材とからなるリニアガイドおよびその製造方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a linear guide comprising a rail body and a linear member fixed to an engaging portion of the rail body and having a sliding surface, and a method for manufacturing the linear guide.
【０００２】[0002]
【従来の技術】従来から、例えば、アクチュエータ等に
リニアガイドが用いられており、前記リニアガイドは、
アクチュエータ本体の上面に設けられたスライドテーブ
ルを長手方向に沿って円滑に変位させる機能を営んでい
る。2. Description of the Related Art Conventionally, for example, a linear guide has been used for an actuator or the like.
It has the function of smoothly displacing the slide table provided on the upper surface of the actuator body along the longitudinal direction.
【０００３】このリニアガイドは、直線状に延在するガ
イドレールと、前記ガイドレールに画成された溝部に摺
接して転動するボールを介して該ガイドレールに沿って
変位するガイドブロックとから構成される。This linear guide is composed of a linearly extending guide rail and a guide block that is displaced along the guide rail through balls that roll in sliding contact with a groove defined by the guide rail. Composed.
【０００４】ところで、前記ガイドレールは、例えば、
焼入れが可能な金属材料または浸炭鋼によって形成さ
れ、前記溝部を含む全ての部分を同一の材料によって構
成し、その一部または全部を焼入れ等の熱処理を施すこ
とによって製造されている。By the way, the guide rail is, for example,
It is made of a hardenable metal material or carburized steel, and is manufactured by forming all parts including the groove part by the same material, and subjecting part or all of them to heat treatment such as quenching.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記の
従来例に係るリニアガイドでは、ガイドレールに焼入れ
等の熱処理を施した際、該ガイドレールに曲がり、捩じ
れ等が発生するため、この曲がり、捩じれ等を矯正する
ために多くの時間と労力を費やさなければならないとい
う不都合がある。However, in the linear guide according to the above-mentioned conventional example, when the guide rail is subjected to heat treatment such as quenching, the guide rail is bent or twisted. There is an inconvenience that a lot of time and labor must be spent to correct the above.
【０００６】本発明は、前記の不都合を克服するために
なされたものであり、曲がり、捩じれ等を矯正するため
の時間と労力を節約することにより生産効率を向上させ
るとともに廉価に製造することが可能なリニアガイドお
よびその製造方法を提供することを目的とする。The present invention has been made in order to overcome the above-mentioned inconveniences, and it is possible to improve the production efficiency and reduce the manufacturing cost by saving the time and labor for correcting the bending, twisting and the like. An object of the present invention is to provide a possible linear guide and a manufacturing method thereof.
【０００７】[0007]
【課題を解決するための手段】前記の目的を達成するた
めに、本発明は、レールボデイと、前記レールボデイの
凹部内に固定され、摺動面を有する線状部材とからなる
リニアガイドの製造方法であって、前記レールボデイよ
りも硬度が高い材料によって線状部材を形成する工程
と、前記レールボデイの凹部内に形成された一対の内壁
面の各々が、連続する第１乃至第４平面を含み、湾曲部
を間にして相互に対向する前記一対の内壁面に対して一
対の線状部材をそれぞれ位置決めして前記第１乃至第４
平面中の該第１、第３及び第４平面からなる３つの平面
にそれぞれ線接触した状態でかしめて固定する工程と、
前記線状部材を研磨および／または切削して仕上げ加工
する工程と、を有することを特徴とする。In order to achieve the above-mentioned object, the present invention provides a method for manufacturing a linear guide comprising a rail body and a linear member fixed in the recess of the rail body and having a sliding surface. And a step of forming a linear member with a material having a hardness higher than that of the rail body, and a pair of inner walls formed in the recess of the rail body.
Each face is seen containing a first to fourth plane consecutive first and the first, to position each pair of linear members relative to the pair of inner wall surfaces opposed to each other between the curved portion Four
A step of caulking and fixing in line contact with each of the three planes of the first, third and fourth planes in the plane;
And a step of finishing the wire member by polishing and / or cutting the wire member.
【０００８】さらに、本発明は、湾曲部を間にして相互
に対向する一対の内壁面が側面部に形成され、前記一対
の内壁面の各々が連続する第１乃至第４平面を含むレー
ルボデイと、前記レールボデイよりも硬度が高い材料か
らなり、前記レール部材の前記第１乃至第４平面中の該
第１、第３及び第４平面からなる３つの平面にそれぞれ
線接触した状態でかしめて固定された一対の線状部材
と、からなることを特徴とする。Furthermore, the present invention has a pair of inner wall surfaces facing each other and between the curved portion is formed on the side surface, the pair
A laser <br/> Rubodei each of the inner wall surface includes a first to fourth plane consecutive, made of a material the hardness is higher than the Rerubodei, said in the first to fourth plane of the rail member
It is characterized by comprising a pair of linear members which are caulked and fixed in a state of being in line contact with each of the three planes of the first, third and fourth planes .
【０００９】[0009]
【作用】上記の本発明に係るリニアガイドの製造方法で
は、レールボデイよりも硬度が高い材料によって線状部
材を形成する。次に、前記レールボデイの凹部内に、連
続する第１乃至第４平面をそれぞれ含む一対の内壁面を
形成し、湾曲部を間にして相互に対向する前記一対の内
壁面に対して一対の線状部材をそれぞれ位置決めし、さ
らに前記第１乃至第４平面中の該第１、第３及び第４平
面からなる３つの平面にそれぞれ線接触した状態でかし
めて固定する。最後に、前記線状部材を研磨および／ま
たは切削して仕上げ加工をする。In the method of manufacturing a linear guide according to the present invention described above, the linear member is made of a material having a hardness higher than that of the rail body. Then, in the recess of the Rerubodei, to form a pair of inner wall surfaces including a first to fourth planes each successive pair of lines to said pair of inner wall surfaces facing each other and between the curved portion Each of the first and fourth flat surfaces in the first to fourth planes .
The three flat surfaces are crimped in line contact with each other and fixed. Finally, the linear member is polished and / or cut to finish.
【００１０】このように、本発明に係るリニアガイドの
製造方法では、レールボデイに対し、焼入れ処理を施し
ていないため、該レールボデイに曲がり、捩じれ等が発
生しない。従って、前記曲がり、捩じれ等を矯正するた
めの時間と労力を節約することができ、生産効率を向上
させるとともに廉価に製造することができる。As described above, in the linear guide manufacturing method according to the present invention, since the rail body is not subjected to the quenching treatment, the rail body is not bent or twisted. Therefore, it is possible to save the time and labor for correcting the above-mentioned bending, twisting, etc., and to improve the production efficiency and to manufacture at low cost.
【００１１】また、本発明に係るリニアガイドでは、線
状部材が連続する第１乃至第４平面中の該第１、第３及
び第４平面からなる３つの平面にそれぞれ線接触した安
定した状態でかしめられることから、線状部材はレール
ボデイの凹部内に強固に固定される。Further, in the linear guide according to the present invention , the first, the third, and the third planes in the first to fourth planes where the linear members are continuous .
The linear member is firmly fixed in the recessed portion of the rail body because the linear member is crimped in a stable state in line contact with each of the three planes including the fourth plane .
【００１２】[0012]
【実施例】次に、本発明に係るリニアガイドについてそ
の製造方法との関係において好適な実施例を挙げ、添付
の図面を参照しながら以下詳細に説明する。Preferred embodiments of the linear guide according to the present invention will be described below in detail with reference to the accompanying drawings.
【００１３】図１は、本発明に係るリニアガイドをガイ
ドレールに適用した斜視図、図２は、前記ガイドレール
の斜視図である。FIG. 1 is a perspective view in which the linear guide according to the present invention is applied to a guide rail, and FIG. 2 is a perspective view of the guide rail.
【００１４】このリニアガイド１０は、長尺なガイドレ
ール１２と、前記ガイドレール１２に沿って変位自在に
設けられたガイドブロック１４とから構成される。The linear guide 10 is composed of a long guide rail 12 and a guide block 14 which is displaceable along the guide rail 12.
【００１５】前記ガイドレール１２は、断面略長方形に
形成された棒状のレールボデイ１６と、前記レールボデ
イ１６の両側面に設けられ、断面略円弧状の一対の凹部
１８ａ、１８ｂ（係合部）内にかしめられた一対の線状
部材２０ａ、２０ｂとから構成される（図２参照）。こ
の場合、前記レールボデイ１６は焼入れされておらず、
前記線状部材２０ａ、２０ｂは焼入れをすることが可能
な金属材料で形成される。前記レールボデイ１６には、
所定間隔離間して該レールボデイ１６を他の部材に固定
するための複数の固定用孔部２２が画成されている。前
記線状部材２０ａ、２０ｂには断面が外方に向かって拡
開するとともに、長手方向に延在する溝部２４ａ、２４
ｂが画成され、前記溝部２４ａ、２４ｂにボール等の転
動部材５０（図７参照）が摺動することによりガイドブ
ロック１４を円滑に変位させることが可能となる。The guide rail 12 is provided with a rod-shaped rail body 16 formed in a substantially rectangular cross section, and a pair of recesses 18a, 18b (engaging portions) provided in both side surfaces of the rail body 16 and having a substantially arc cross section. It is composed of a pair of crimped linear members 20a and 20b (see FIG. 2). In this case, the rail body 16 is not hardened,
The linear members 20a and 20b are made of a hardenable metal material. In the rail body 16,
A plurality of fixing holes 22 for fixing the rail body 16 to another member are formed at predetermined intervals. The linear members 20a, 20b have grooves 24a, 24 extending in the longitudinal direction while having a cross-section that expands outward.
b is defined, and the rolling member 50 (see FIG. 7) such as a ball slides in the groove portions 24a and 24b, so that the guide block 14 can be smoothly displaced.
【００１６】なお、前記線状部材２０ａ、２０ｂの外周
面には、例えば、長手方向に沿って複数の略ｖ字状の溝
２６、…を画成し（図３参照）、または種々の形状から
なるローレット目２８等を形成することにより（図４参
照）、前記凹部１８ａ、１８ｂ内における線状部材２０
ａ、２０ｂの回り止めがなされる。On the outer peripheral surfaces of the linear members 20a, 20b, for example, a plurality of substantially v-shaped grooves 26, ... Are defined along the longitudinal direction (see FIG. 3), or various shapes are formed. By forming the knurled eye 28 and the like (see FIG. 4), the linear member 20 in the recesses 18a and 18b is formed.
The rotation stop of a and 20b is performed.
【００１７】本発明の実施例に係るリニアガイド１０
は、基本的には以上のように構成されるものであり、次
に、リニアガイド１０の製造方法に基づいてその作用、
効果を説明する。A linear guide 10 according to an embodiment of the present invention.
Is basically configured as described above. Next, based on the manufacturing method of the linear guide 10, its operation,
Explain the effect.
【００１８】先ず、引抜き加工等によって長手方向に沿
って溝部２４ａ、２４ｂを有する線状部材２０ａ、２０
ｂを形成する。なお、前記線状部材２０ａ、２０ｂに、
例えば、略ｖ字状の溝２６またはローレット目２８等の
回り止め手段を前加工で形成しておくと、かしめられた
際の回り止めに好適である。First, the linear members 20a, 20 having grooves 24a, 24b along the longitudinal direction by drawing or the like.
b is formed. In addition, in the linear members 20a, 20b,
For example, if the anti-rotation means such as the substantially v-shaped groove 26 or the knurled eye 28 is pre-processed, it is suitable for the anti-rotation when caulking.
【００１９】前記線状部材２０ａ、２０ｂに対して、焼
入れ工具を介して所定の焼入れ温度に加熱した後、急冷
して硬化させる焼入れ処理を施す。一方、両側面部に断
面略円弧状の凹部１８ａ、１８ｂが長手方向に沿って画
成されたレールボデイ１６を、例えば、引抜き加工等に
よって形成する。この場合、図５Ａに示されるように、
前記断面円弧状の凹部１８ａ、１８ｂの形状は、線状部
材２０ａ、２０ｂの直径よりも若干拡径して形成してお
く。The linear members 20a and 20b are subjected to a quenching treatment in which they are heated to a predetermined quenching temperature through a quenching tool and then rapidly cooled to be hardened. On the other hand, the rail body 16 in which recesses 18a and 18b having substantially arcuate cross sections are defined along the longitudinal direction on both side surfaces is formed by, for example, a drawing process. In this case, as shown in FIG. 5A,
The shape of the recesses 18a, 18b having an arcuate cross section is formed to be slightly larger than the diameter of the linear members 20a, 20b.
【００２０】次に、焼入れ処理が施された線状部材２０
ａ、２０ｂをレールボデイ１６の凹部１８ａ、１８ｂ内
に挿入した状態で、かしめ工具を用いてレールボデイ１
６の両側面部に対して矢印方向から力Ｆを付与し、断面
略円弧状の凹部１８ａ、１８ｂ内に線状部材２０ａ、２
０ｂをかしめて固定する（図５Ｂ参照）。この場合、レ
ールボデイ１６は焼入れされていないため、焼入れの際
に生ずる懸念のある曲がり、捩じれ等が発生しない。ま
た、線状部材２０ａ、２０ｂは、レールボデイ１６の長
手方向に沿って直線状に画成された断面略円弧状の凹部
１８ａ、１８ｂに沿ってかしめられるため、該線状部材
２０ａ、２０ｂに曲がり、捩じれ等が発生することがな
い。Next, the linear member 20 that has been subjected to quenching treatment
With the a and 20b inserted into the recesses 18a and 18b of the rail body 16, use the caulking tool to remove the rail body 1
A force F is applied to both side surface portions of 6 from the direction of the arrow so that the linear members 20a, 2
0b is caulked and fixed (see FIG. 5B). In this case, since the rail body 16 is not hardened, bending, twisting, etc. which may occur during hardening are not generated. Further, since the linear members 20a, 20b are crimped along the recesses 18a, 18b having a substantially arcuate cross section defined linearly along the longitudinal direction of the rail body 16, the linear members 20a, 20b are bent. No twisting occurs.
【００２１】なお、レールボデイ１６内にかしめられた
線状部材２０ａ（２０ｂ）の形状は、略円弧状に限定さ
れるものではなく、例えば、図５Ｃに示されるように、
下方側に向かって幅広な形状とし、また、図５Ｄに示さ
れるように、略楕円形状とすることも可能である。The shape of the linear member 20a (20b) crimped in the rail body 16 is not limited to the substantially arc shape, and for example, as shown in FIG. 5C,
The shape may be wider toward the lower side, or may be substantially elliptical as shown in FIG. 5D.
【００２２】従って、従来技術のように、曲がり、捩じ
れ等を矯正するための作業を要しないため、前記矯正作
業に費やされる時間と労力を節約することが可能とな
り、生産効率の向上を図ることができる。なお、前記か
しめに代替してプレスを用いてもよい。Therefore, unlike the prior art, there is no need to perform work for correcting bending, twisting, etc., so that it is possible to save the time and labor spent on the above-mentioned correction work and to improve the production efficiency. You can A press may be used instead of the caulking.
【００２３】さらに、前記レールボデイ１６には焼入れ
処理が施されないため、前加工または後加工において、
前記レールボデイ１６に画成される固定用孔部２２、…
の位置精度を向上させることができる。Further, since the rail body 16 is not subjected to quenching treatment, it is
The fixing holes 22 defined in the rail body 16,
The position accuracy of can be improved.
【００２４】さらにまた、前記レールボデイ１６に沿っ
て摺動変位するガイドブロック１４の基準面を切削加工
によって簡便に形成することができる利点がある。Furthermore, there is an advantage that the reference surface of the guide block 14 which is slidably displaced along the rail body 16 can be easily formed by cutting.
【００２５】このようにして、レールボデイ１６の凹部
１８ａ、１８ｂ内に線状部材２０ａ、２０ｂをかしめた
後、線状部材２０ａ、２０ｂに対し研摩および／または
切削等の仕上げ加工を施すことにより、溝部２４ａ、２
４ｂにおける直線精度を確保するとともに、レールボデ
イ１６の両側面部に位置する一対の線状部材２０ａ、２
０ｂの平行精度を確保することができる。After caulking the linear members 20a and 20b in the recesses 18a and 18b of the rail body 16 in this manner, the linear members 20a and 20b are subjected to finishing such as polishing and / or cutting. Grooves 24a, 2
4b, the pair of linear members 20a, 2a located on both side surfaces of the rail body 16 while ensuring the linear accuracy.
The parallel accuracy of 0b can be secured.
【００２６】なお、以上はレールボデイ１６の両側面部
に一対の線状部材２０ａ、２０ｂをかしめる場合につい
て説明したが、図６に示すように、レールボデイ２９の
片側にのみ線状部材２０ｂ（２０ａ）をかしめて形成し
てもよい。Although the case where the pair of linear members 20a and 20b are caulked on both side portions of the rail body 16 has been described above, the linear member 20b (20a) is provided only on one side of the rail body 29 as shown in FIG. It may be formed by caulking.
【００２７】次に、本発明の第２実施例に係るリニアガ
イド３０を図７および図８に示す。なお、図１に示す第
１実施例と同一の構成要素には同一の参照符号を付し、
その詳細な説明を省略する。Next, a linear guide 30 according to the second embodiment of the present invention is shown in FIGS. The same components as those of the first embodiment shown in FIG. 1 are designated by the same reference numerals,
Detailed description thereof will be omitted.
【００２８】本実施例に係るリニアガイド３０は、レー
ルボデイ３２の両側面部に画成される所定形状の凹部３
４ａ、３４ｂ内に断面略円形状の一対の線状部材３６
ａ、３６ｂを夫々三箇所支持によってかしめた点で第１
実施例と異なる。なお、前記凹部３４ａ、３４ｂは夫々
略同一に形成されるため、一方の凹部３４ａのみを説明
し、他方の凹部３４ｂの説明を省略する。The linear guide 30 according to the present embodiment has a recess 3 having a predetermined shape defined on both side surfaces of the rail body 32.
A pair of linear members 36 having a substantially circular cross-section are formed in the interiors 4a and 34b.
a, the first 1 36b at the point was caulked by the respective three positions support
Different from the embodiment. Since the recesses 34a and 34b are formed to be substantially the same, only one of the recesses 34a will be described, and the description of the other recess 34b will be omitted.
【００２９】すなわち、前記凹部３４ａは、図８に示さ
れるように、略中央部に形成された半円状の湾曲部３８
と、前記湾曲部３８の両側に隣接し、相互に対向して形
成された内壁面４０ａ、４０ｂと、前記内壁面４０ａ、
４０ｂからレールボデイ３２の上面部に連続し内方に向
かって突出する突起部４１ａ、４１ｂとから構成され
る。前記凹部３４ａ内には２本の線状部材３６ａ、３６
ｂが位置決めされた状態でかしめて固定され、各線状部
材３６ａ、３６ｂは内壁面４０ａ、４０ｂを夫々構成す
る第１〜第４平面４２、４４、４６、４８によってその
外周面の略半分が囲繞されている。前記線状部材３６ａ
（３６ｂ）は、第１平面４２、第３平面４６および第４
平面４８に夫々線接触して固定される。この場合、第１
平面４２と第４平面４８とによって作られる角度θは、
外方に向かって徐々に小さくなるように形成されること
により、突起部４１ａ、４１ｂにかしめ工具（図示せ
ず）を当接させて内壁面４０ａ、４０ｂ内に線状部材３
６ａ、３６ｂをかしめた際、該線状部材３６ａ、３６ｂ
が内壁面４０ａ、４０ｂから外部に向かって飛び出すこ
とを阻止する機能を営む。That is, as shown in FIG. 8, the concave portion 34a has a semi-circular curved portion 38 formed in a substantially central portion thereof.
Inner wall surfaces 40a, 40b formed adjacent to both sides of the curved portion 38 and facing each other, and the inner wall surface 40a,
It is composed of projections 41a and 41b which are continuous with the upper surface of the rail body 32 from 40b and project inward. Two linear members 36a, 36 are provided in the recess 34a.
b is fixed in a positioned state by caulking, and each linear member 36a, 36b is surrounded by approximately half of its outer peripheral surface by the first to fourth planes 42, 44, 46, 48 constituting the inner wall surfaces 40a, 40b, respectively. Has been done. The linear member 36a
(36b) is the first plane 42, the third plane 46 and the fourth plane
The flat surfaces 48 are in line contact with each other and fixed. In this case, the first
The angle θ formed by the plane 42 and the fourth plane 48 is
By being formed so as to become gradually smaller outward, a caulking tool (not shown) is brought into contact with the protrusions 41a, 41b, and the linear members 3 are provided inside the inner wall surfaces 40a, 40b.
When the 6a and 36b are caulked, the linear members 36a and 36b
Has a function of preventing the jumping out of the inner wall surfaces 40a and 40b toward the outside.
【００３０】このように、一対の対向する線状部材３６
ａ、３６ｂが夫々三箇所支持によってレールボデイ３２
の凹部３４ａ、３４ｂ内に固定されることにより、線状
部材３６ａ、３６ｂが前記凹部３４ａ、３４ｂ内の定位
置で安定した状態でかしめられ、より強固に固定され
る。Thus, the pair of opposing linear members 36
a and 36b are respectively supported at three points by the rail body 32.
By being fixed in the concave portions 34a, 34b, the linear members 36a, 36b are caulked in a stable position in the concave portions 34a, 34b in a stable state, and are more firmly fixed.
【００３１】本発明の第２実施例に係るリニアガイド３
０は、基本的には以上のように構成されるものであり、
次にその製造方法について説明する。なお、第１実施例
に係るリニアガイド１０と略同一の製造工程については
その旨明記して詳細な説明を省略する。Linear guide 3 according to the second embodiment of the present invention
0 is basically configured as described above,
Next, the manufacturing method will be described. In addition, about the manufacturing process which is substantially the same as that of the linear guide 10 according to the first embodiment, that fact is specified and the detailed description is omitted.
【００３２】先ず、引抜き加工等によって断面略円形状
の線状部材３６ａ、３６ｂを形成する。なお、前記線状
部材３６ａ、３６ｂには、略ｖ字状の溝２６またはロー
レット目２８等の回り止め手段を前加工で形成しておく
点は第１実施例と同様である。First, the linear members 36a, 36b having a substantially circular cross section are formed by drawing or the like. As in the first embodiment, the linear members 36a and 36b are provided with pre-processed anti-rotation means such as substantially v-shaped grooves 26 or knurls 28.
【００３３】前記線状部材３６ａ、３６ｂに対して、焼
入れ工具を介して所定の焼入れ温度に加熱した後、急冷
して硬化させる焼入れ処理を施す。一方、湾曲部３８お
よび相互に対向する内壁面４０ａ、４０ｂを有する凹部
３４ａ、３４ｂが長手方向に沿って画成されたレールボ
デイ３２を、例えば、引抜き加工等によって形成する。The linear members 36a and 36b are subjected to a quenching treatment of heating them to a predetermined quenching temperature through a quenching tool and then quenching and hardening them. On the other hand, the rail body 32 in which the curved portions 38 and the recesses 34a and 34b having the inner wall surfaces 40a and 40b facing each other are defined along the longitudinal direction is formed by, for example, a drawing process.
【００３４】次に、焼入れ処理が施された線状部材３６
ａ、３６ｂをレールボデイ３２の凹部３４ａ、３４ｂ内
に挿入した状態において、かしめ工具を用いてレールボ
デイ３２の突起部４１ａ、４１ｂに対して矢印方向から
力Ｆを付与して凹部３４ａ、３４ｂ内に線状部材３６
ａ、３６ｂをかしめる。この場合、レールボデイ３２は
焼入れされていないため、曲がり、捩じれ等が発生する
ことがない。なお、前加工または後加工において、前記
レールボデイ３２に画成される固定用孔部２２、…の位
置精度を向上させることができる点は第１実施例と同様
である。Next, the hardened linear member 36
In a state in which the a and 36b are inserted into the recesses 34a and 34b of the rail body 32, a force F is applied to the protrusions 41a and 41b of the rail body 32 from the direction of the arrow by using a caulking tool so as to draw lines in the recesses 34a and 34b. Member 36
Caulk a and 36b. In this case, since the rail body 32 is not hardened, the rail body 32 is not bent or twisted. Note that, in the pre-processing or the post-processing, the positional accuracy of the fixing holes 22, ... Defined in the rail body 32 can be improved as in the first embodiment.
【００３５】前記線状部材３６ａ、３６ｂは、凹部３４
ａ（３４ｂ）を構成する第１平面４２、第３平面４６お
よび第４平面４８に線接触した状態で位置決めされ、且
つ安定した状態でかしめられるため、該線状部材３６
ａ、３６ｂに曲がり、捩じれ等が発生しない。従って、
第１実施例と同様の作用効果を得ることができる。The linear members 36a and 36b are formed in the recess 34.
The linear member 36 is positioned in line contact with the first plane 42, the third plane 46, and the fourth plane 48 forming the a (34b) and is caulked in a stable state.
No bending or twisting occurs in a and 36b. Therefore,
It is possible to obtain the same effect as that of the first embodiment.
【００３６】このようにして、レールボデイ３２の凹部
３４ａ、３４ｂ内に線状部材３６ａ、３６ｂをかしめた
後、線状部材３６ａ、３６ｂの外周面の一部５２ａ、５
２ｂを転動部材５０の形状に沿って研摩および／または
切削して仕上げ加工を施すことにより（破線部分参
照）、転動部材５０を円滑に転動させることができる。After caulking the linear members 36a and 36b in the recesses 34a and 34b of the rail body 32 in this way, the outer peripheral surfaces 52a and 5b of the linear members 36a and 36b are partially cut.
The rolling member 50 can be smoothly rolled by polishing and / or cutting 2b along the shape of the rolling member 50 and performing finishing (see the broken line portion).
【００３７】[0037]
【発明の効果】本発明に係るリニアガイドおよびその製
造方法によれば、以下の効果が得られる。According to the linear guide and the manufacturing method thereof according to the present invention, the following effects can be obtained.
【００３８】すなわち、本発明に係るリニアガイドの製
造方法では、レールボデイに対して焼入れ処理を施して
いないため、該レールボデイに曲がり、捩じれ等が発生
しない。従って、従来技術では、レールボデイを含んで
焼入れしていたため、曲がり、捩じれ等を矯正するため
の時間と労力を必要としていたが、本発明では前記時間
と労力を節約することができ、生産効率を向上させると
ともに廉価に製造することができる。That is, in the method of manufacturing a linear guide according to the present invention, since the rail body is not subjected to quenching treatment, the rail body is not bent or twisted. Therefore, in the prior art, since the quenching was performed by including the rail body, it took time and labor to correct bending, twisting and the like, but in the present invention, the time and labor can be saved and the production efficiency can be improved. It can be improved and manufactured at low cost.
【００３９】また、本発明に係るリニアガイドでは、前
述したように、曲がり、捩じれ等のないレールボデイを
得ることができる。さらに、線状部材が連続する第１〜
第４平面中の該第１、第３及び第４平面からなる３つの
平面に線接触した安定した状態でかしめられることか
ら、前記線状部材をレールボデイの凹部内に強固に固定
することができる。Further, with the linear guide according to the present invention, as described above, it is possible to obtain a rail body free from bending and twisting. Further, the first to the continuous linear members
The linear member can be firmly fixed in the recess of the rail body because the linear member is caulked in a stable state in line contact with the three planes of the first, third and fourth planes in the fourth plane. .
【図１】本発明の第１実施例に係るリニアガイドの斜視
図である。FIG. 1 is a perspective view of a linear guide according to a first embodiment of the present invention.
【図２】図１に示すリニアガイドを構成するガイドレー
ルの斜視図である。FIG. 2 is a perspective view of a guide rail forming the linear guide shown in FIG.
【図３】外周面に断面略ｖ字状の溝が画成された線状部
材の斜視図である。FIG. 3 is a perspective view of a linear member in which a groove having a substantially V-shaped cross section is defined on an outer peripheral surface.
【図４】外周面にローレット目が画成された線状部材の
斜視図である。FIG. 4 is a perspective view of a linear member in which knurls are defined on the outer peripheral surface.
【図５】図５Ａおよび図５Ｂは、レールボデイの凹部に
線状部材をかしめる状態を説明する図、図５Ｃおよび図
５Ｄは、線状部材がかしめられた他の形状を示す説明図
である。5A and 5B are diagrams illustrating a state in which a linear member is caulked in a recess of a rail body, and FIGS. 5C and 5D are explanatory diagrams illustrating another shape in which the linear member is caulked. .
【図６】レールボデイの片側の一側面にのみ線状部材を
設けた状態を示す図である。FIG. 6 is a view showing a state in which a linear member is provided on only one side surface of a rail body.
【図７】本発明の第２実施例に係るリニアガイドの断面
図である。FIG. 7 is a sectional view of a linear guide according to a second embodiment of the present invention.
【図８】図７に示すＸ部分の拡大図である。8 is an enlarged view of an X portion shown in FIG. 7.
１０、３０…リニアガイド １２…ガイドレー
ル
１４…ガイドブロック １６、２９、３２
…レールボデイ
１８ａ、１８ｂ、３４ａ、３４ｂ…凹部
２０ａ、２０ｂ、３６ａ、３６ｂ…線状部材
２２…固定用孔部 ２４ａ、２４ｂ…
溝部
４０ａ、４０ｂ…内壁面 ４１ａ、４１ｂ…
突起部
４２、４４、４６、４８…平面10, 30 ... Linear guide 12 ... Guide rail 14 ... Guide block 16, 29, 32
... Rail bodies 18a, 18b, 34a, 34b ... Recesses 20a, 20b, 36a, 36b ... Linear member 22 ... Fixing holes 24a, 24b ...
Grooves 40a, 40b ... Inner wall surfaces 41a, 41b ...
Projections 42, 44, 46, 48 ... Plane
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平４−121331（ＪＰ，Ａ) 特開 昭56−3318（ＪＰ，Ａ) 特開 平２−113114（ＪＰ，Ａ) 実開 平３−52413（ＪＰ，Ｕ) 実開 昭63−183434（ＪＰ，Ｕ) 実開 平４−9274（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) F16C 29/04,29/06 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-4-121331 (JP, A) JP-A-56-3318 (JP, A) JP-A-2-113114 (JP, A) Actual Kaihei 3- 52413 (JP, U) Actual development Sho 63-183434 (JP, U) Actual development 4-9274 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) F16C 29 / 04,29 / 06
Claims (2)
内に固定され、摺動面を有する線状部材とからなるリニ
アガイドの製造方法であって、 前記レールボデイよりも硬度が高い材料によって線状部
材を形成する工程と、 前記レールボデイの凹部内に形成された一対の内壁面の
各々が、連続する第１乃至第４平面を含み、湾曲部を間
にして相互に対向する前記一対の内壁面に対して一対の
線状部材をそれぞれ位置決めして前記第１乃至第４平面
中の該第１、第３及び第４平面からなる３つの平面にそ
れぞれ線接触した状態でかしめて固定する工程と、 前記線状部材を研磨および／または切削して仕上げ加工
する工程と、 を有することを特徴とするリニアガイドの製造方法。1. A method of manufacturing a linear guide comprising a rail body and a linear member fixed in a recess of the rail body and having a sliding surface, wherein the linear member is made of a material having a hardness higher than that of the rail body. And a pair of inner wall surfaces formed in the recess of the rail body .
Each, see contains first to fourth plane successive pair of linear members relative to the pair of inner wall surfaces facing each other and between the curved portion is positioned respectively the first to fourth plane A step of caulking and fixing in line contact with each of the three planes consisting of the first, third, and fourth planes therein, and a step of polishing and / or cutting the linear member for finish processing. A method for manufacturing a linear guide, which comprises:
壁面が側面部に形成され、前記一対の内壁面の各々が連
続する第１乃至第４平面を含むレールボデイと、 前記レールボデイよりも硬度が高い材料からなり、前記
レール部材の前記第１乃至第４平面中の該第１、第３及
び第４平面からなる３つの平面にそれぞれ線接触した状
態でかしめて固定された一対の線状部材と、からなるこ
とを特徴とするリニアガイド。Wherein Bay curved portion a pair of inner wall surfaces facing each other and between the can is formed on the side surface, each of said pair of inner wall surfaces communicating
A rail body including continuous first to fourth planes ; and a first to third planes in the first to fourth planes of the rail member, the rail body being made of a material having a hardness higher than that of the rail body .
And a pair of linear members that are caulked and fixed in line contact with each of the three planes including the fourth plane .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14032594A JP3510669B2 (en) | 1994-06-22 | 1994-06-22 | Linear guide and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14032594A JP3510669B2 (en) | 1994-06-22 | 1994-06-22 | Linear guide and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH084764A JPH084764A (en) | 1996-01-09 |
| JP3510669B2 true JP3510669B2 (en) | 2004-03-29 |
Family
ID=15266198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14032594A Expired - Fee Related JP3510669B2 (en) | 1994-06-22 | 1994-06-22 | Linear guide and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3510669B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4561949B2 (en) * | 2001-03-05 | 2010-10-13 | 豊和工業株式会社 | Guide rail mounting method and guide rail mounting structure for reciprocating actuator |
| JP2004028329A (en) * | 2003-03-28 | 2004-01-29 | Sigma Koki Kk | Linear motion stage |
| US7798719B2 (en) | 2004-09-08 | 2010-09-21 | Thk Co., Ltd. | Method of manufacturing linear guide device and track rail for the linear guide device |
| US8132330B2 (en) * | 2007-09-21 | 2012-03-13 | Pacific Bearing Company | Bearing assembly and method of making a bearing assembly |
| US8684605B2 (en) | 2008-03-07 | 2014-04-01 | Pacific Bearing Company | Guide rail |
| JP5293887B2 (en) * | 2010-04-26 | 2013-09-18 | 日本精工株式会社 | Linear actuator |
| JP6044183B2 (en) * | 2012-08-27 | 2016-12-14 | 豊和工業株式会社 | Magnet type rodless cylinder |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS563318A (en) * | 1979-06-25 | 1981-01-14 | Nippon Seiko Kk | Steel wire-caulked, pivoting seat bearing |
| JPS63183434U (en) * | 1987-05-20 | 1988-11-25 | ||
| JPH02113114A (en) * | 1988-10-20 | 1990-04-25 | Tsubakimoto Seiko:Kk | Journalled roller type bearing for linear motion |
| JP2542626Y2 (en) * | 1989-09-29 | 1997-07-30 | 株式会社リコー | Guide for movable members |
| JPH049274U (en) * | 1990-05-09 | 1992-01-27 | ||
| JPH04121331A (en) * | 1990-09-12 | 1992-04-22 | Toshiba Corp | Multistep slide guide rail |
-
1994
- 1994-06-22 JP JP14032594A patent/JP3510669B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH084764A (en) | 1996-01-09 |
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