JP2006123126A - Sliding surface protective device - Google Patents

Sliding surface protective device Download PDF

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Publication number
JP2006123126A
JP2006123126A JP2004316808A JP2004316808A JP2006123126A JP 2006123126 A JP2006123126 A JP 2006123126A JP 2004316808 A JP2004316808 A JP 2004316808A JP 2004316808 A JP2004316808 A JP 2004316808A JP 2006123126 A JP2006123126 A JP 2006123126A
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cover
sliding surface
group
moving body
chips
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Naoki Hattori
直樹 服部
Kenji Yamada
賢治 山田
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Okuma Corp
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Okuma Corp
Okuma Machinery Works Ltd
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Priority to JP2004316808A priority Critical patent/JP2006123126A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To prevent damaging of a wiper arranged in a cover, without intruding chips sticked to a trough part of the cover inside the cover, even if the telescopic cover is manufactured in a minimum size. <P>SOLUTION: This sliding surface protective device has a cover group 1 freely expandable by mutually superposing in the specific direction. A first flange plate 4a to be installed on a base or a moving body, is arranged in an end part of a first cover 1a of the lowest layer being one end of the cover group 1. An inclined part 5 having the height of two times a second cover 1b, is arranged in and joined to a joining part with a top plate 2 of the first cover 1a among a joining part of this first flange plate 4a and the first cover 1a. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、工作機械の摺動面を切粉等から保護する摺動面保護装置に関する。   The present invention relates to a sliding surface protection device for protecting a sliding surface of a machine tool from chips and the like.

工作機械において、移動体が摺動する摺動面は、切削等により発生する切粉の塵から保護ために金属製の保護カバーで覆われている。この保護カバーは、移動体のストローク範囲の全てにわたって設ける必要があるし、移動体をスムーズに移動させなければならない。そのため、互いに重なり合って伸縮自在なカバー群を有するテレスコピック方式の保護カバーを使用することが多い。
このテレスコピック方式のカバーは、伸縮ストロークを満足するために複数枚のカバーを相対移動可能に重ね合わせて、重ね合わせ部には内部に切粉や切削液等が入り込まないようにワイパが取り付けられている。（例えば、特許文献１参照）
特開平５−３１８２７０号公報 In a machine tool, a sliding surface on which a moving body slides is covered with a metal protective cover in order to protect it from chip dust generated by cutting or the like. This protective cover must be provided over the entire stroke range of the moving body, and the moving body must be smoothly moved. Therefore, a telescopic type protective cover having a cover group that overlaps each other and can be expanded and contracted is often used.
This telescopic cover is made up of a plurality of covers that can be moved relative to each other in order to satisfy the expansion / contraction stroke, and a wiper is attached to the overlapping portion so that chips and cutting fluid do not enter inside. Yes. (For example, see Patent Document 1)
Japanese Patent Application Laid-Open No. 5-318270

しかし、上記テレスコピック方式のカバーは、水平に配置された摺動面に対して使用する場合、図５に示すように、最も低い谷部、即ち移動体或いは基台への取付部近くの最下層のカバー上に切粉等の塵が集積されることになる。図５は、テレスコピック方式の保護カバーの要部端面図を示し、１１はカバー群であり、１１ａは最下層のカバー、１２は移動体又は基台に取り付けるためのフランジ板、１３は切粉を示し、収縮したカバー群１１の最下層に切粉が集積された状態を示している。   However, when the telescopic cover is used with respect to a horizontally arranged sliding surface, as shown in FIG. 5, the lowest trough, that is, the lowermost layer near the attachment to the moving body or the base Dust such as chips is accumulated on the cover. FIG. 5 shows an end view of the main part of a telescopic protective cover, 11 is a cover group, 11a is a lowermost cover, 12 is a flange plate for mounting on a moving body or base, and 13 is chips. It shows a state where chips are accumulated in the lowermost layer of the contracted cover group 11.

この集まった切粉１３は、カバー群１１の収縮動作で挟み込まれて圧迫され、やがてワイパ１４と最下層の保護カバー１１ａの隙間に潜り込み、カバー群１１の内側に侵入してしまうことになる。また、この圧迫された切粉によって、ワイパ１４の損傷が発生して保護機能を果たさなくなってしまう。
これを避けるために、個々のカバーの幅を大きくして切粉が集積し難いカバーを使用すれば、切粉の挟み込みが発生し難い構成にできると考えられるが、保護装置の大型化を招くことになり、工作機械を小型化する際の障害となってしまう。 The collected chips 13 are sandwiched and compressed by the contraction operation of the cover group 11, and eventually enter the gap between the wiper 14 and the lowermost protective cover 11 a and enter the inside of the cover group 11. In addition, the pressed chips cause damage to the wiper 14 and fail to perform the protective function.
In order to avoid this, it is considered that if the cover is made wider and the chips are less likely to accumulate, it is possible to make the structure less likely to cause chipping of the chips, but this will increase the size of the protective device. As a result, it becomes an obstacle to downsizing the machine tool.

そこで、本発明はこのような問題点に鑑み、テレスコピック方式の保護カバーを最小限の大きさで作製しても、保護カバーの谷部に付着した切粉が内側に侵入することがなく、またワイパを損傷することのない摺動面保護装置を提供することを目的とする。   Therefore, in view of such problems, the present invention does not allow chips adhering to the valley portion of the protective cover to enter the inside even if a telescopic protective cover is produced with a minimum size. An object of the present invention is to provide a sliding surface protection device that does not damage the wiper.

上記課題を解決する為に、請求項１に記載の発明は、移動体が摺動する基台上の摺動面を覆って摺動面を保護する摺動面保護装置であって、互いに重なり合って前記移動体の摺動方向に伸縮自在なカバー群から成り、前記カバー群の一端となる最下層の第１カバーの端部が、前記基台又は前記移動体の何れか一方の、前記第１カバーより大きい壁面に取り付けられ、前記壁面と前記第１カバーの天板との間に、前記第１カバーに向かって下り傾斜となる傾斜部を設けたことを特徴とする。
このように傾斜部を設けることで、第１カバー上に集積された切粉等がカバー群の収縮動作により圧迫されても、傾斜部を競り上がって拡散して行くため、第１カバー上を摺動する第２カバーに設けられたワイパの隙間に潜り込みことが無い。従って、カバー群を構成する個々のカバーの幅は最小限の大きさで良いし、ワイパを損傷するようなことも無くなる。 In order to solve the above-mentioned problems, the invention described in claim 1 is a sliding surface protection device that covers a sliding surface on a base on which a moving body slides to protect the sliding surface, and overlaps each other. And the end of the lowermost first cover, which is one end of the cover group, is formed by either the base or the moving body. It is attached to a wall surface that is larger than one cover, and an inclined portion that is inclined downward toward the first cover is provided between the wall surface and the top plate of the first cover.
By providing the inclined portion in this way, even if chips or the like accumulated on the first cover are pressed by the contraction operation of the cover group, they compete on the inclined portion and diffuse. There is no dive into the gap of the wiper provided on the sliding second cover. Accordingly, the width of each cover constituting the cover group may be a minimum size, and the wiper is not damaged.

請求項２の発明は、請求項１に記載の発明において、第１カバーの端部には、前記第１カバーよりも大きいフランジ板が、壁面取付時に密着するように設けられ、傾斜部を、前記フランジ板と前記第１カバーの天板との接合部に設けてなることを特徴とする。
この構成により、カバーの移動体或いは基台への取り付けが容易となるほか、傾斜部の形成も容易となる。 According to a second aspect of the present invention, in the first aspect of the present invention, a flange plate larger than the first cover is provided at the end of the first cover so as to come into close contact with the wall surface, It is provided at a joint portion between the flange plate and the top plate of the first cover.
With this configuration, the cover can be easily attached to the movable body or the base, and the inclined portion can be easily formed.

請求項３の発明は、請求項１又は２に記載の発明において、傾斜部は、第１カバーの他端に外側から相対移動可能に重ね合わせられている第２カバーの厚みより大きな高さを有することを特徴とする。
この構成により、傾斜部は十分大きいので、切粉がフランジ板と第１カバーとの間に挟持されて圧迫されるようなことがなく、良好に傾斜部を競り上がって拡散して行く。 The invention according to claim 3 is the invention according to claim 1 or 2, wherein the inclined portion has a height greater than the thickness of the second cover that is superimposed on the other end of the first cover so as to be relatively movable from the outside. It is characterized by having.
With this configuration, since the inclined portion is sufficiently large, the chips are not sandwiched between the flange plate and the first cover and are not pressed, and compete well with the inclined portion and diffuse.

請求項４の発明は、請求項１乃至３の何れかに記載の発明において、カバー群の天板は、伸縮方向と交差する方向に傾斜が付与されて成ることを特徴とする。
この構成により、集積された切粉等は、カバー群の伸縮動作でカバー上に留まることなく良好にカバーから落ちて行く。 According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the top plate of the cover group is provided with an inclination in a direction intersecting with the expansion / contraction direction.
With this configuration, the accumulated chips and the like fall well from the cover without staying on the cover by the expansion and contraction operation of the cover group.

このように、本発明によれば、第１カバー上に集積された切粉がカバー群の収縮動作により圧迫されても、傾斜部を競り上がって拡散して行くため、第１カバー上を摺動する第２カバーに設けられたワイパの隙間に潜り込みことが無い。従って、カバー群を構成する個々のカバーの幅は最小限の大きさで良いし、ワイパを損傷するようなことも無くなる。
As described above, according to the present invention, even if the chips accumulated on the first cover are compressed by the contraction operation of the cover group, the chips crawl up and diffuse on the inclined portion. There is no dive into the gap of the wiper provided on the moving second cover. Accordingly, the width of each cover constituting the cover group may be a minimum size, and the wiper is not damaged.

以下、本発明を具体化した実施の形態を、図面に基づいて詳細に説明する。図１〜図３は本発明に係る摺動面保護装置の一例を示し、図１は側面図、図２は外観図、図３はＡ部拡大図である。図において、１は伸縮するカバー群であり、カバー群１は最下層に位置する第１カバー１ａから順に外側を覆うように第２〜第７カバー（１ｂ〜１ｇ）が重ねられて形成されている。各カバーは摺動して互いに重ね合わせ部を変化させて相対移動ができ、カバー群１全体が伸縮動作できる。   DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described in detail with reference to the drawings. 1 to 3 show an example of a sliding surface protection device according to the present invention. FIG. 1 is a side view, FIG. 2 is an external view, and FIG. In the figure, 1 is a cover group that expands and contracts, and the cover group 1 is formed by overlapping the second to seventh covers (1b to 1g) so as to cover the outer side in order from the first cover 1a located at the lowest layer. Yes. Each cover can slide and move relative to each other by changing the overlapping portion, and the entire cover group 1 can expand and contract.

各カバーは、第１カバー１ａから順に一回りずつ大きく形成され、く字状に折り曲げ形成された天板２と、天板２の左右端部に垂設された側板３を有している。また、カバー群１の先端或いは後端となる第１カバー１ａの先端、及び第７カバー１ｇの後端は、それぞれカバー群１が伸縮する方向に直交するように配置された第１フランジ板４ａ、及び第２フランジ板４ｂが接合され、移動体或いは基台との連結部を形成している。   Each cover has a top plate 2 that is formed one by one in order from the first cover 1 a and is bent into a square shape, and a side plate 3 that is suspended from the left and right ends of the top plate 2. Further, the front end of the first cover 1a, which is the front end or the rear end of the cover group 1, and the rear end of the seventh cover 1g are each arranged so as to be orthogonal to the direction in which the cover group 1 expands and contracts. And the second flange plate 4b are joined to form a connecting portion with the moving body or the base.

第１及び第２フランジ板４ａ，４ｂは、接合する第１及び第７カバー１ａ，１ｇより大きく形成され、カバーとの接合部周囲に移動体或いは基台と連結するための取付面が形成されている。このうち、第１フランジ板４ａと第１カバー１ａとの接合部は、図３に示すように第１カバー１ａに向けて下り傾斜とした傾斜部５を設けて接合されている。この傾斜部５は略４５°の傾斜で形成され、第２カバー１ｂの厚みの略２倍の高さまで達する高さを有して天板２全体に形成されている。   The first and second flange plates 4a and 4b are formed to be larger than the first and seventh covers 1a and 1g to be joined, and an attachment surface for connecting to a moving body or a base is formed around the joint portion with the cover. ing. Among these, the joint portion between the first flange plate 4a and the first cover 1a is joined by providing an inclined portion 5 inclined downward toward the first cover 1a as shown in FIG. The inclined portion 5 is formed with an inclination of approximately 45 °, and has a height that reaches approximately twice the thickness of the second cover 1b.

図４は、カバー群１が完全に収縮した状態のＡ部端面図を示している。この図４に示すように、第１カバー１ａを覆うように重ね合わせられた第２カバー１ｂの先端部裏面には第１カバー１ａ上に付着した切粉等を拭き払うためのワイパ６が設けられ、収縮する際重ね合わせ部から切粉等が内部の摺動面に侵入しないよう形成されている。尚、このワイパ６は、第３〜第７カバーの先端部裏面にも同様に設けられている。   FIG. 4 shows an end view of the A part in a state where the cover group 1 is completely contracted. As shown in FIG. 4, a wiper 6 for wiping off chips and the like adhering to the first cover 1a is provided on the back surface of the tip of the second cover 1b that is overlapped so as to cover the first cover 1a. Thus, when shrinking, chips and the like are prevented from entering the internal sliding surface from the overlapping portion. In addition, this wiper 6 is similarly provided also in the front-end | tip part back surface of the 3rd-7th cover.

このように形成された摺動面保護装置は、例えば第１フランジ板４ａが移動体に連結され、また第２フランジ板４ｂが基台に連結されて使用され、移動体が前後方向に摺動する場合、摺動面保護装置は移動体の前方及び後方の双方に設置される。そして、移動体の移動に合わせて一方が収縮したら他方が伸張動作して、基台上の摺動面を常時保護し、天板２に堆積した切粉等は次のように移動する。   The sliding surface protection device formed in this way is used, for example, with the first flange plate 4a connected to the moving body and the second flange plate 4b connected to the base, and the moving body slides back and forth. In this case, the sliding surface protection device is installed on both the front side and the rear side of the moving body. Then, when one contracts in accordance with the movement of the moving body, the other contracts, and the sliding surface on the base is always protected, and the chips and the like deposited on the top plate 2 move as follows.

切削加工等で摺動面保護装置上に落ちた切粉等は、カバー群１の伸縮動作により徐々に最も低い第１カバー１ａ上に移動し、第１フランジ板４ａと第２カバー１ｂのワイパ６の間に集積されて挟み込まれる。そして、集積された切粉等の塵に、カバー群１の収縮動作による第２カバー１ｂのワイパ６の圧迫作用が働くと、切粉等は傾斜部５を競り上がって行くと同時に天板２の傾斜面を下がる移動を始める。こうして、やがて天板２の端部から下に落ちて行く。   Chips and the like that have fallen on the sliding surface protection device due to cutting or the like gradually move onto the lowest first cover 1a by the expansion / contraction operation of the cover group 1, and the wipers of the first flange plate 4a and the second cover 1b 6 are stacked and sandwiched. Then, when the compressing action of the wiper 6 of the second cover 1b due to the contraction operation of the cover group 1 acts on the accumulated dust and the like dust, the chips and the like climb up the inclined portion 5 and simultaneously the top plate 2 Start moving down the slope. In this way, it eventually falls down from the end of the top 2.

このように、カバー群１の谷部となる部位に傾斜部を設けることで、第１カバー上に集積された切粉等がカバー群の収縮動作により圧迫されても、傾斜部を競り上がって拡散して行くため、第１カバー上を摺動する第２カバーに設けられたワイパの隙間に潜り込むことが無い。そのため、カバー群を構成する個々のカバーの幅は最小限の大きさで良いし、ワイパを損傷するようなことも無くなる。
また、傾斜部を第２カバーの厚みの略２倍の高さで形成することで、集積された切粉等は良好に傾斜部を競り上がって拡散して行くし、天板を傾斜させることでカバー群の伸縮動作でカバー上に留まることなく良好にカバーから落ちて行く。 In this way, by providing the inclined portion in the portion that becomes the valley portion of the cover group 1, even if chips or the like accumulated on the first cover are pressed by the contraction operation of the cover group, the inclined portion competes for the inclined portion. Since it diffuses, it does not sink into the gap of the wiper provided on the second cover that slides on the first cover. For this reason, the width of each cover constituting the cover group may be a minimum size, and the wiper is not damaged.
In addition, by forming the inclined part at a height approximately twice the thickness of the second cover, the accumulated chips and the like can compete well on the inclined part and diffuse, and the top plate can be inclined. With the expansion and contraction movement of the cover group, it falls off the cover well without staying on the cover.

尚、上記実施の形態では、天板をく字状に形成したカバー群１を備えたが、天板２は一定方向に傾斜させても良いし平坦に形成して全体でコ字状のカバーを連結した単純な形状としてもよい。また、水平に設置する場合を説明したが、勿論傾斜している部位であっても、縦方向に伸縮する形態であっても良好に使用できる。
また、カバー群１は７枚のカバーを重ねて形成しているが、重ねるカバーの数は、設置する摺動面の形状や大きさによって変更される。
更に、傾斜部５は第２カバー１ｂの略２倍の高さとしているが、少なくとも第２カバー１ｂの厚み程度の高さを有していれば、カバー群１が収縮動作した際に第１カバー上に堆積した切粉等は傾斜部５を競り上がる作用を奏する。
また、カバー群１の移動体又は基台への取り付けを容易にするために、フランジ板４ａ，４ｂを設け、第１フランジ板４ａと第１カバー１ａの天板との接合部に傾斜部５を形成しているが、接合部に傾斜を設けず、接合部とは別に傾斜部５を形成する別の部品を用意し、これを組み付けるようにしても良い。また、カバーよりも大きいフランジ部がないものに適用しても良く、その場合も第１カバー１ａの端部とは別に、傾斜部５を形成する別部品を用意し、これを組み付けるようにしても良い。 In the above-described embodiment, the cover group 1 having the top plate formed in a U-shape is provided. However, the top plate 2 may be inclined in a certain direction or formed flat to be a U-shaped cover as a whole. It is good also as a simple shape which connected. Moreover, although the case where it installed horizontally was demonstrated, of course, even if it is the site | part inclined and the form which expands-contracts in the vertical direction, it can use satisfactorily.
Further, the cover group 1 is formed by overlapping seven covers, but the number of covers to be overlapped is changed depending on the shape and size of the sliding surface to be installed.
Furthermore, the inclined portion 5 is approximately twice as high as the second cover 1b. However, if the inclined portion 5 is at least as high as the thickness of the second cover 1b, the first cover group 1 is retracted when the cover group 1 is contracted. Chips and the like deposited on the cover exert an action of climbing up the inclined portion 5.
Further, in order to facilitate the attachment of the cover group 1 to the moving body or the base, flange plates 4a and 4b are provided, and the inclined portion 5 is provided at the joint portion between the first flange plate 4a and the top plate of the first cover 1a. However, it is also possible to prepare another component for forming the inclined portion 5 separately from the joint portion and to assemble it without providing the joint portion with an inclination. In addition, it may be applied to those that do not have a flange portion larger than the cover. In that case, separately from the end portion of the first cover 1a, a separate part for forming the inclined portion 5 is prepared and assembled. Also good.

本発明に係る摺動面保護装置の実施形態の一例を示す側面図である。It is a side view showing an example of an embodiment of a sliding face protection device concerning the present invention. 図１の摺動面保護装置の外観図である。It is an external view of the sliding surface protection apparatus of FIG. 図１のＡ部拡大断面図である。It is the A section expanded sectional view of FIG. 図１の摺動面保護装置が収縮した状態のＡ部端面図である。It is the A section end view of the state where the sliding face protection device of Drawing 1 contracted. 従来の摺動面保護装置の部分端面図である。It is a partial end elevation of the conventional sliding surface protection device.

符号の説明Explanation of symbols

１・・カバー群、１ａ・・第１カバー、１ｂ・・第２カバー、４ａ・・第１フランジ板、５・・傾斜部、６・・ワイパ。   1. Cover group, 1a, 1st cover, 1b, 2nd cover, 4a, 1st flange plate, 5 ..., inclined part, 6 ... wiper.

Claims (4)

移動体が摺動する基台上の摺動面を覆って摺動面を保護する摺動面保護装置であって、
互いに重なり合って前記移動体の摺動方向に伸縮自在なカバー群から成り、前記カバー群の一端となる最下層の第１カバーの端部が、前記基台又は前記移動体の何れか一方の、前記第１カバーより大きい壁面に取り付けられ、
前記壁面と前記第１カバーの天板との間に、前記第１カバーに向かって下り傾斜となる傾斜部を設けたことを特徴とする摺動面保護装置。 A sliding surface protection device that covers the sliding surface on the base on which the moving body slides and protects the sliding surface,
It is composed of a cover group that overlaps each other and can be expanded and contracted in the sliding direction of the moving body, and the end of the first cover of the lowermost layer that becomes one end of the cover group is either the base or the moving body, Attached to a wall surface larger than the first cover;
An apparatus for protecting a sliding surface, wherein an inclined portion that is inclined downward toward the first cover is provided between the wall surface and the top plate of the first cover. 第１カバーの端部には、前記第１カバーよりも大きいフランジ板が、壁面取付時に密着するように設けられ、傾斜部を、前記フランジ板と前記第１カバーの天板との接合部に設けてなる請求項１記載の摺動面保護装置。 A flange plate larger than the first cover is provided at an end portion of the first cover so as to be in close contact with the wall surface, and an inclined portion is formed at a joint portion between the flange plate and the top plate of the first cover. The sliding surface protection device according to claim 1 provided. 傾斜部は、第１カバーの他端に外側から相対移動可能に重ね合わせられている第２カバーの厚みより大きな高さを有する請求項１又は２記載の摺動面保護装置。 The sliding surface protection device according to claim 1 or 2, wherein the inclined portion has a height larger than a thickness of the second cover that is superimposed on the other end of the first cover so as to be relatively movable from the outside. カバー群の天板は、伸縮方向と交差する方向に傾斜が付与されて成る請求項１乃至３の何れかに記載の摺動面保護装置。 The sliding surface protecting device according to any one of claims 1 to 3, wherein the top plate of the cover group is provided with an inclination in a direction intersecting with the extending and contracting direction.
JP2004316808A 2004-10-29 2004-10-29 Sliding surface protective device Pending JP2006123126A (en)

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CN103659447A (en) * 2012-09-24 2014-03-26 大隈株式会社 Protective device for sliding surface
WO2015119030A1 (en) * 2014-02-06 2015-08-13 バンドー化学株式会社 Sealing member for machine tools
CN111842946A (en) * 2020-07-27 2020-10-30 广州优易机械科技有限公司 Whirlwind cutting numerical control lathe

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JPH11277363A (en) * 1998-03-30 1999-10-12 Brother Ind Ltd Machine tool

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JPH11277363A (en) * 1998-03-30 1999-10-12 Brother Ind Ltd Machine tool

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103659447A (en) * 2012-09-24 2014-03-26 大隈株式会社 Protective device for sliding surface
WO2015119030A1 (en) * 2014-02-06 2015-08-13 バンドー化学株式会社 Sealing member for machine tools
JP5947471B2 (en) * 2014-02-06 2016-07-06 バンドー化学株式会社 Sealing material for machine tools
CN105960309A (en) * 2014-02-06 2016-09-21 阪东化学株式会社 Sealing member for machine tools
KR101841186B1 (en) * 2014-02-06 2018-03-22 반도 카가쿠 가부시키가이샤 Sealing member for machine tools
TWI636211B (en) * 2014-02-06 2018-09-21 日商阪東化學股份有限公司 Sealing member for machine tool
US10335910B2 (en) 2014-02-06 2019-07-02 Bando Chemical Industries, Ltd. Sealing member for machine tools
CN111842946A (en) * 2020-07-27 2020-10-30 广州优易机械科技有限公司 Whirlwind cutting numerical control lathe
CN111842946B (en) * 2020-07-27 2021-04-30 广州优易机械科技有限公司 Whirlwind cutting numerical control lathe

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