CN103029018A - Special chamfering device for end surfaces of linear guide rails - Google Patents

Special chamfering device for end surfaces of linear guide rails Download PDF

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Publication number
CN103029018A
CN103029018A CN201310015088XA CN201310015088A CN103029018A CN 103029018 A CN103029018 A CN 103029018A CN 201310015088X A CN201310015088X A CN 201310015088XA CN 201310015088 A CN201310015088 A CN 201310015088A CN 103029018 A CN103029018 A CN 103029018A
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CN
China
Prior art keywords
vertical
slide carriage
linear guide
grinding wheel
line slideway
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CN201310015088XA
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Chinese (zh)
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CN103029018B (en
Inventor
冯卫
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SHANDONG SAIER MACHINERY GUIDE CO Ltd
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SHANDONG SAIER MACHINERY GUIDE CO Ltd
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Abstract

The invention discloses a special chamfering device for end surfaces of linear guide rails. The special chamfering device comprises a linear guide rail moving device and a chamfering device, wherein the linear guide rail moving device comprises a frame body, a pair of transverse linear guide rails are transversely arranged in the same horizontal plane at the top end of the frame body, a rectangular slide carriage bracket is fixedly arranged on sliders of the lateral linear guide rails, a plurality of longitudinal linear guide rails are longitudinally arranged on the slide carriage bracket, and rectangular slide carriages are fixedly arranged on sliders of the longitudinal linear guide rails; the chamfering device comprises a grinder frame body, a servo motor and a grinding wheel shaft, wherein a grinding wheel disc is arranged on the grinding wheel shaft, and an output wheel of the servo motor is connected with a rotating wheel of the grinding wheel shaft; and longitudinal trapezoid screws are arranged on the slide carriage bracket, transverse trapezoid screws with the self-locking function are arranged on the frame body, vertical trapezoid screws with the self-locking function are arranged on the grinder frame body, and contact and grinding among the linear guide rails and the grinding wheel disc are realized through rotation of the screws, and the end surfaces of the linear guide rails are chamfered by the grinding wheel disc.

Description

A kind of linear guide rail end surface Special chamfering device
Technical field
The present invention relates to a kind of facing attachment of line slideway, be specifically related to a kind of linear guide rail end surface Special chamfering device.
Background technology
The wedge angle of line slideway both ends of the surface, very difficult, because line slideway hardness after quenching is very high, common file can't be processed, and manually is difficult to finish chamfering; Although can finish with the angle grinding machine, when polishing with the angle grinding machine, location difficulty, the angle of pouring out is inhomogeneous, and presentation quality is poor, does not reach required precision.If chamfering is inhomogeneous, relatively more difficult when straight-line guide rail slide block is installed.Line slideway is an elongated object, if chamfering is inhomogeneous, when two line slideways are end to end, can affect the precision of docking.Particularly, very long in line slideway length and in the situation that its end face is very narrow, because end face is narrow, more need manual chamfering device to go chamfering, to satisfy the demand of site operation.
Summary of the invention
The objective of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of linear guide rail end surface Special chamfering device is provided, can realize the high-precision chamfering of guide rail both ends of the surface.
The technical solution used in the present invention is: a kind of linear guide rail end surface Special chamfering device, comprise line slideway mobile device, facing attachment, it is characterized in that, described line slideway mobile device comprises support body, laterally be provided with a pair of horizontal line slideway in the same level face of support body top, laterally be fixed with rectangular slide carriage support on the slide block of line slideway, vertically be provided with some vertical line slideways on the slide carriage support, vertically be fixed with rectangular slide carriage on the slide block of line slideway; Be fixed with vertical trapezoidal screw Connection Block on the middle part on slide carriage support one long limit, vertically vertically be connected with vertical trapezoidal screw on the trapezoidal screw Connection Block, vertically trapezoidal screw links to each other with slide carriage by longitudinal leadscrew nut, vertically the trapezoidal screw end of stretching out the part of longitudinal leadscrew nut is provided with the length feed handwheel, and the rotation by the length feed handwheel realizes that slide carriage vertically moves; Slide carriage laterally is provided with large scale away from a side of trapezoidal screw Connection Block, and an end of large scale is provided with little scale; Slide carriage vertically is provided with some pressure cylinders side by side near a side of trapezoidal screw Connection Block; Laterally be fixed with horizontal trapezoid leading screw Connection Block on the slide block of line slideway, laterally be connected with the horizontal trapezoid leading screw on the horizontal trapezoid leading screw Connection Block, the horizontal trapezoid leading screw links to each other with support body by horizontal feed screw nut, and the end that the horizontal trapezoid leading screw stretches out horizontal leading screw nut portion is provided with the traverse feed handwheel.Because trapezoidal screw has self locking function, by locking behind the rotation realization slide carriage transverse shifting location of traverse feed handwheel;
Described facing attachment comprises the sander support body, and the sander erection of frames is in a side of slide carriage one minor face, and vertical direction is provided with a pair of vertical lines guide rail on the sander support body, is connected with elevator chamber on the slide block of vertical lines guide rail; Be fixed with servomotor on the elevator chamber, elevator chamber is fixed with grinding wheel spindle near a side of slide carriage by bearing block, and grinding wheel spindle is perpendicular to large scale; Be fixed with grinding wheel by the emery wheel folder on the grinding wheel spindle, the moving runner of grinding wheel spindle links to each other by belt with the output wheel of servomotor, and the grinding wheel that drives on the grinding wheel spindle by servomotor rotates; Elevator chamber is provided with vertical trapezoidal screw, vertical trapezoidal screw links to each other with elevator chamber by vertical feed screw nut, the other end of vertical trapezoidal screw passes the lifting connecting plate that is positioned at sander support body top, and vertical trapezoidal screw stretches out the lifting connecting plate and is provided with vertical feeding handwheel in the end of part in addition.Utilize trapezoidal screw to have self locking function, lock after the rotation realization elevator chamber vertical direction running fix by vertical feeding handwheel.
Further, described servomotor is arranged on elevator chamber away from a side of slide carriage, and servomotor is connected on the electric baseboard, and electric baseboard is fixed on the elevator chamber by set bolt.Servomotor and grinding wheel spindle are separately positioned on the both sides of elevator chamber, are conducive to stablize.
Further, described sander support body comprises host backplane, channel-section steel support, and the channel-section steel support is connected on the host backplane, is connected with the triangle gusset plate between channel-section steel support and the host backplane.The triangle gusset plate helps the stability of channel-section steel support.
Further, described sander support body is provided with in the vertical direction for measuring the move both vertically graduation mark of distance of elevator chamber.
Further, on the described horizontal line slideway at the graduation mark that laterally is provided be used to the slide block transverse movement distance of measuring horizontal line slideway.
Further, on the described slide carriage support at the graduation mark that vertically is provided be used to the slide block lengthwise movement distance of measuring vertical line slideway.
When the incline of linear guide rail end surface is carried out chamfering, line slideway is close to large scale, little scale and the output shaft by pressure cylinder compresses; Rotate the traverse feed handwheel, make slide carriage along laterally moving to the grinding wheel spindle direction, when the end of the line slideway for the treatment of chamfering move to grinding wheel under the time, stop mobile; Start servomotor, rotating vertical moves down elevator chamber to the feeding handwheel, and the end that makes the grinding wheel contact treat the line slideway of chamfering is divided the grinding wheel bottom and to be carried out chamfering, and vertical feeding handwheel stops operating after chamfering is finished; Rotate the length feed handwheel, slide carriage is vertically moved, until the whole chamferings in the end of line slideway are finished.
The invention has the beneficial effects as follows: easy to use, modeling structure is simple, low cost of manufacture, efficient height; Owing to be provided with graduation mark, can measure exactly slide carriage laterally, vertically move distance, measure exactly grinding wheel vertical direction displacement, chamfer quality is high; Because the polishing shelf position is fixed, and the longer dimension of slide carriage, thereby the accurate positioning of line slideway are compared mobile emery wheel are removed in the guide rail fixed position, and the precision of location is higher, is convenient to guarantee positioning rule perpendicular to grinding wheel spindle, chamfering effective; Control simple and reliablely, be specially adapted to assemble at the scene slide block, assembling is used during guide rail.
Description of drawings
Fig. 1 is the structural representation of line slideway Manual chamfering device of the present invention.
Fig. 2 is the top view of Fig. 1.
Wherein: 1-channel-section steel support; The 2-elevator chamber; The 3-set bolt; The 4-electric baseboard; The 5-servomotor; 6-triangle gusset plate; The 7-host backplane; The vertical feeding handwheel of 8-; 9-lifting connecting plate; The vertical trapezoidal screw of 10-; The vertical feed screw nut of 11-; The 12-bearing block; The 13-grinding wheel; The 14-grinding wheel spindle; The 15-moving runner; The 16-output wheel; 17-vertical lines guide rail; The slide block of 18-vertical lines guide rail; The 19-slide carriage; 20-slide carriage support; 21-traverse feed handwheel; 22-sander support body; The large scale of 23-; 24-vertically feeds handwheel; 25-horizontal trapezoid leading screw; The little scale of 26-; The 27-pressure cylinder; 28-emery wheel folder; The 29-support body; The slide block of the horizontal line slideway of 30-; The vertical line slideway of 31-; The slide block of the vertical line slideway of 32-; The horizontal line slideway of 33-; The vertical ball wire of 34-; The vertical trapezoidal screw of 35-; The 36-longitudinal leadscrew nut; 37-horizontal trapezoid leading screw Connection Block; The horizontal feed screw nut of 38-; The 39-graduation mark.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, a kind of linear guide rail end surface Special chamfering device, comprise line slideway mobile device, facing attachment, described line slideway mobile device comprises support body 29, laterally be provided with a pair of horizontal line slideway 33 in the support body 29 top same level faces, laterally be fixed with rectangular slide carriage support 20 on the slide block 30 of line slideway, vertically be provided with some vertical line slideways 31 on the slide carriage support 20, vertically be fixed with rectangular slide carriage 19 on the slide block 32 of line slideway.Because the slide carriage support 20 of support body 29 end faces is parallel to the bottom surface, slide carriage 19 also is parallel to ground.Vertically line slideway 31, horizontal line slideway 33 can guarantee that slide carriage 19 is vertical on horizontal plane, laterally slide, thereby make the line slideway on the slide carriage 19 be implemented in vertically (being the X-direction of reference axis), horizontal slip (being the Y-direction of reference axis) on the horizontal plane.
Be fixed with vertical trapezoidal screw Connection Block 34 on the middle part of slide carriage support 20 front sides, vertically vertically be connected with vertical trapezoidal screw 35 on the trapezoidal screw Connection Block 34, vertically trapezoidal screw 35 links to each other with slide carriage 19 by longitudinal leadscrew nut 36, vertically trapezoidal screw 35 end of stretching out the part of longitudinal leadscrew nut 36 is provided with length feed handwheel 24, and the rotation by length feed handwheel 24 realizes that slide carriage 19 vertically moves.
Slide carriage 19 posterior lateral are provided with large scale 23, and the right side of large scale 23 is provided with little scale 26.It mainly is for the positioning linear guide rail that large scale 23 is set.It mainly is in order to be convenient for measuring line slideway transverse shifting distance that little scale 26 is set.
Slide carriage 19 front sides vertically are provided with 3 pressure cylinders 27 side by side.The purpose that pressure cylinder 27 is set is for line slideway being close on large scale 23 and the little scale 26, when making chamfering, and not slippage of line slideway.
Laterally be fixed with horizontal trapezoid leading screw Connection Block 37 on the slide block 30 of line slideway, laterally be connected with horizontal trapezoid leading screw 25 on the horizontal trapezoid leading screw Connection Block 37, horizontal trapezoid leading screw 25 links to each other with support body 29 by horizontal feed screw nut 38, the end that horizontal trapezoid leading screw 25 stretches out horizontal feed screw nut 38 parts is provided with traverse feed handwheel 21, by rotation realization slide carriage 19 transverse shiftings of traverse feed handwheel 21.
Described facing attachment comprises sander support body 22, and sander support body 22 is installed in the right side of slide carriage 19, and vertical direction is provided with a pair of vertical lines guide rail 17 on the sander support body 22, is connected with elevator chamber 2 on the slide block 18 of vertical lines guide rail.Elevator chamber 2 passes on left bearing block 12 and is fixed with grinding wheel spindle 14, and grinding wheel spindle 14 is fixed with grinding wheel 13 by emery wheel folder 28 perpendicular to large scale 23 on the grinding wheel spindle 14.Elevator chamber 2 right sides are connected with electric baseboard 4, and electric baseboard 4 is fixed with servomotor 5 by set bolt 3.The moving runner 15 of grinding wheel spindle 14 and the output wheel of servomotor 5 16 link to each other by belt, and the grinding wheel 13 that drives on the grinding wheel spindle 14 by servomotor rotates.
Elevator chamber 2 is provided with vertical trapezoidal screw 10, vertical trapezoidal screw 10 links to each other with elevator chamber 2 by vertical feed screw nut 11, vertical feed screw nut 11 is passed in vertical trapezoidal screw 10 bottoms, the lifting connecting plate 9 that is positioned at sander support body 22 tops is passed on the top of vertical trapezoidal screw 10, vertical trapezoidal screw 10 stretches out lifting connecting plate 9 and is provided with vertical feeding handwheel 8 in the end of part in addition, and is mobile by rotation realization elevator chamber 2 vertical direction (being the Z-direction of reference axis) of vertical feeding handwheel 8.
Described sander support body 22 comprises host backplane 7, channel-section steel support 1, and channel-section steel support 1 is connected on the host backplane 7, is connected with triangle gusset plate 6 between channel-section steel support 1 and the host backplane 7.The channel-section steel support is welded on the host backplane by vertically disposed channel-section steel and makes.The triangle gusset plate is set is conducive to reinforce being rigidly connected between channel-section steel support and the host backplane.
Sander support body 22 is provided with in the vertical direction for measuring the move both vertically vertical graduation mark 39 of distance of elevator chamber 2.Laterally be provided with in the horizontal the horizontal graduation mark 40 be used to the slide block 30 transverse movement distances of measuring horizontal line slideway on the line slideway 33.Be provided with in the vertical the vertical graduation mark 41 be used to the slide block 32 lengthwise movement distances of measuring vertical line slideway on the described slide carriage support 20.Owing to be provided with graduation mark, can measure exactly slide carriage laterally, vertically move distance, measure exactly grinding wheel vertical direction displacement.Using trapezoidal screw, mainly is in order to utilize the self-locking function of trapezoidal screw.Each trapezoidal screw also can replace with the ball-screw with locking function.
When the incline of linear guide rail end surface is carried out chamfering, line slideway is close to large scale, little scale and the output shaft by pressure cylinder compresses; Rotate the traverse feed handwheel, slide carriage moved to the grinding wheel spindle direction along laterally (being the X-direction of reference axis), when the end of the line slideway for the treatment of chamfering move to grinding wheel under the time, stop mobile, namely positioning and locking traverse feed; Rotating vertical is to the feeding handwheel, makes elevator chamber vertical direction (being the Z-direction of reference axis) mobile, the end that makes the grinding wheel contact treat the line slideway of chamfering, from vertical graduation mark, measure elevator chamber apart from sander support body end face apart from a; Start servomotor, rotating vertical is to the feeding handwheel gently, the grinding wheel bottom divided carry out chamfering, when from vertical graduation mark, measure elevator chamber apart from the distance b of sander support body end face and above-mentioned difference apart from a equal vertical chamfering that line slideway needs apart from the time, namely positioning and locking vertical feeding; Rotate the length feed handwheel, make slide carriage vertical (being the Y-direction of reference axis) mobile, the chamfering of other position, end of accomplish linear guide rail.

Claims (6)

1. linear guide rail end surface Special chamfering device, comprise line slideway mobile device, facing attachment, it is characterized in that: described line slideway mobile device comprises support body (29), laterally be provided with a pair of horizontal line slideway (33) in the same level face of support body (29) top, laterally be fixed with rectangular slide carriage support (20) on the slide block (30) of line slideway, vertically be provided with some vertical line slideways (31) on the slide carriage support (20), vertically be fixed with rectangular slide carriage (19) on the slide block (32) of line slideway; Be fixed with vertical trapezoidal screw Connection Block (34) on the middle part on slide carriage support (20) one long limits, vertically vertically be connected with vertical trapezoidal screw (35) on the trapezoidal screw Connection Block (34), vertically trapezoidal screw (35) links to each other with slide carriage (19) by longitudinal leadscrew nut (36), vertically trapezoidal screw (35) end of stretching out the part of longitudinal leadscrew nut (36) is provided with length feed handwheel (24), and the rotation by length feed handwheel (24) realizes that slide carriage (19) vertically moves; Slide carriage (19) laterally is provided with large scale (23) away from a side of trapezoidal screw Connection Block (34), and an end of large scale (23) is provided with little scale (26); Slide carriage (19) vertically is provided with some pressure cylinders (27) side by side near a side of trapezoidal screw Connection Block (34); Laterally be fixed with horizontal trapezoid thick stick Connection Block (37) on the slide block (30) of line slideway, laterally be connected with horizontal trapezoid leading screw (25) on the horizontal trapezoid leading screw Connection Block (37), horizontal trapezoid leading screw (25) links to each other with support body (29) by horizontal feed screw nut (38), the end that horizontal trapezoid leading screw (25) stretches out horizontal feed screw nut (38) part is provided with traverse feed handwheel (21), by rotation realization slide carriage (19) transverse shifting of traverse feed handwheel (21);
Described facing attachment comprises sander support body (22), sander support body (22) is installed in a side of slide carriage (19) one minor faces, the upper vertical direction of sander support body (22) is provided with a pair of vertical lines guide rail (17), is connected with elevator chamber (2) on the slide block of vertical lines guide rail (18); Be fixed with servomotor (5) on the elevator chamber (2), elevator chamber (2) is fixed with grinding wheel spindle (14) near a side of slide carriage (19) by bearing block (12), grinding wheel spindle (14) is perpendicular to large scale (23), grinding wheel spindle (14) is upper to be fixed with grinding wheel (13) by emery wheel folder (28), the moving runner (15) of grinding wheel spindle (14) links to each other by belt with the output wheel (16) of servomotor (5), and the grinding wheel (13) that drives on the grinding wheel spindle (14) by servomotor (5) rotates; Elevator chamber (2) is provided with vertical trapezoidal screw (10), vertical trapezoidal screw (10) links to each other with elevator chamber (2) by vertical feed screw nut (11), the other end of vertical trapezoidal screw (10) passes the lifting connecting plate (9) that is positioned at sander support body (22) top, vertical trapezoidal screw (10) stretches out lifting connecting plate (9) and is provided with vertical feeding handwheel (8) in the end of part in addition, and the rotation by vertical feeding handwheel (8) realizes that elevator chamber (2) vertical direction moves.
2. a kind of linear guide rail end surface Special chamfering device as claimed in claim 1, it is characterized in that: described servomotor (5) is arranged on elevator chamber (2) away from a side of slide carriage (19), servomotor (5) is connected on the electric baseboard (4), and electric baseboard (4) is fixed on the elevator chamber (2) by set bolt (3).
3. a kind of linear guide rail end surface Special chamfering device as claimed in claim 1, it is characterized in that: described sander support body (22) comprises host backplane (7), channel-section steel support (1), channel-section steel support (1) is connected on the host backplane (7), is connected with triangle gusset plate (6) between channel-section steel support (1) and the host backplane (7).
4. a kind of linear guide rail end surface Special chamfering device as claimed in claim 1 is characterized in that: described sander support body (22) is provided with in the vertical direction for measuring the move both vertically vertical graduation mark (39) of distance of elevator chamber (2).
5. a kind of linear guide rail end surface Special chamfering device as claimed in claim 1 is characterized in that: be provided with in the horizontal the horizontal graduation mark (40) be used to the slide block of measuring horizontal line slideway (30) transverse movement distance on the described horizontal line slideway (33).
6. a kind of linear guide rail end surface Special chamfering device as claimed in claim 1 is characterized in that: be provided with in the vertical the vertical graduation mark (41) be used to the slide block of measuring vertical line slideway (32) lengthwise movement distance on the described slide carriage support (20).
CN201310015088.XA 2013-01-16 2013-01-16 A kind of linear guide rail end surface Special chamfering device Active CN103029018B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104440445A (en) * 2014-11-13 2015-03-25 浙江思特亿精密机械科技有限公司 End chamfer forming device of linear guide rail
CN105562828A (en) * 2016-02-03 2016-05-11 江门银特银数控机床有限公司 Numerically-controlled linear guide rail chamfering machine
CN106141320A (en) * 2015-03-23 2016-11-23 大英西南精密模具有限公司 A kind of straight flange beveler
CN104440445B (en) * 2014-11-13 2017-01-04 浙江思特亿精密机械科技有限公司 The end-beveling shaped device of line slideway
CN109202586A (en) * 2018-09-29 2019-01-15 滁州欧博特电子制造有限公司 A kind of heavy-load type precise guide rail end face Special chamfering device and its processing method
CN109866091A (en) * 2019-04-04 2019-06-11 长江润发(张家港)机械有限公司 A kind of cage guide burr remover

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Publication number Priority date Publication date Assignee Title
CH349184A (en) * 1957-03-11 1960-09-30 Voest Ag Installation for processing the guideways of machines, in particular machine tools
RU2060142C1 (en) * 1993-08-10 1996-05-20 АО "Рязанское специальное конструкторское бюро станкостроения" Transportable device for processing bed-plate guideways
CN2736103Y (en) * 2004-11-05 2005-10-26 施伟 Plane grinding machine
CN1785592A (en) * 2005-09-26 2006-06-14 钱林荣 Grinding machnie used for processing linear guide rail
CN1864923A (en) * 2006-06-26 2006-11-22 安阳鑫盛机床有限公司 Digital controlled linear guide rail end surface and end surface edge chamfering grinder
CN200981134Y (en) * 2006-11-29 2007-11-28 吕梦无 Single-end chamfering device
CN102091979A (en) * 2010-11-26 2011-06-15 大连机床集团有限责任公司 Single-upright-post grinder
CN201863095U (en) * 2010-07-05 2011-06-15 桂林桂北机器有限责任公司 Carriage movable type three axes numerical control special grinding machine
CN203003632U (en) * 2013-01-16 2013-06-19 山东赛尔机械导轨有限公司 Special chamfering device for end faces of linear guide rails

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH349184A (en) * 1957-03-11 1960-09-30 Voest Ag Installation for processing the guideways of machines, in particular machine tools
RU2060142C1 (en) * 1993-08-10 1996-05-20 АО "Рязанское специальное конструкторское бюро станкостроения" Transportable device for processing bed-plate guideways
CN2736103Y (en) * 2004-11-05 2005-10-26 施伟 Plane grinding machine
CN1785592A (en) * 2005-09-26 2006-06-14 钱林荣 Grinding machnie used for processing linear guide rail
CN1864923A (en) * 2006-06-26 2006-11-22 安阳鑫盛机床有限公司 Digital controlled linear guide rail end surface and end surface edge chamfering grinder
CN200981134Y (en) * 2006-11-29 2007-11-28 吕梦无 Single-end chamfering device
CN201863095U (en) * 2010-07-05 2011-06-15 桂林桂北机器有限责任公司 Carriage movable type three axes numerical control special grinding machine
CN102091979A (en) * 2010-11-26 2011-06-15 大连机床集团有限责任公司 Single-upright-post grinder
CN203003632U (en) * 2013-01-16 2013-06-19 山东赛尔机械导轨有限公司 Special chamfering device for end faces of linear guide rails

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104440445A (en) * 2014-11-13 2015-03-25 浙江思特亿精密机械科技有限公司 End chamfer forming device of linear guide rail
CN104440445B (en) * 2014-11-13 2017-01-04 浙江思特亿精密机械科技有限公司 The end-beveling shaped device of line slideway
CN106141320A (en) * 2015-03-23 2016-11-23 大英西南精密模具有限公司 A kind of straight flange beveler
CN106141320B (en) * 2015-03-23 2019-03-29 大英西南精密模具有限公司 A kind of straight flange beveler
CN105562828A (en) * 2016-02-03 2016-05-11 江门银特银数控机床有限公司 Numerically-controlled linear guide rail chamfering machine
CN105562828B (en) * 2016-02-03 2018-01-05 江门银特银数控机床有限公司 A kind of digital controlled linear guide rail beveler
CN109202586A (en) * 2018-09-29 2019-01-15 滁州欧博特电子制造有限公司 A kind of heavy-load type precise guide rail end face Special chamfering device and its processing method
CN109866091A (en) * 2019-04-04 2019-06-11 长江润发(张家港)机械有限公司 A kind of cage guide burr remover

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