CN102380673A - Digital control large curve-tooth bevel gear broaching machine - Google Patents
Digital control large curve-tooth bevel gear broaching machine Download PDFInfo
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- CN102380673A CN102380673A CN2011103539142A CN201110353914A CN102380673A CN 102380673 A CN102380673 A CN 102380673A CN 2011103539142 A CN2011103539142 A CN 2011103539142A CN 201110353914 A CN201110353914 A CN 201110353914A CN 102380673 A CN102380673 A CN 102380673A
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- 230000009471 action Effects 0.000 claims abstract description 9
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- 238000001816 cooling Methods 0.000 claims abstract description 5
- 230000001050 lubricating effect Effects 0.000 claims abstract description 5
- 241001125879 Gobio Species 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 12
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- 238000003825 pressing Methods 0.000 description 2
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- 150000001875 compounds Chemical class 0.000 description 1
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Abstract
The invention relates to a digital control large curve-tooth bevel gear broaching machine, which comprises a bed body assembly, a tool case assembly, a workpiece case assembly, a digital control system, a hydraulic system, a lubricating system and a cooling scrap removing system, wherein the bed body assembly is connected with the tool case assembly, and a feeding mechanism is arranged in the tool case assembly; the bed body assembly is provided with a workpiece case assembly through a pair of trunnions, and an indexing mechanism is arranged in the workpiece case assembly. The digital control large curve-tooth bevel gear broaching machine is characterized in that: a cross beam clamping device which is used for fixing the relative position of the workpiece case assembly and the tool case assembly and is used for the workpiece case assembly to regulate a swinging angle is arranged on the workpiece case assembly and the tool case assembly; and a hydraulic clamping device is arranged in the indexing mechanism. The digital control large curve-tooth bevel gear broaching machine has the advantages that: a machine tool can be kept in a constant clamping state in a cutting process due to the cross beam clamping device, the high-rigidity frame structure of the whole machine tool is formed, a maximum processing rigidity is realized, and the structure of the machine tool is fully simplified. With an indexing damping and hydraulic clamping device, the indexing action of the machine tool is smooth, accurate and reliable, and the processing precision of the gear is improved.
Description
Technical field
The invention belongs to the gear-broach machine technical field, particularly relate to the large-scale spiral bevel gear broaching machine of a kind of numerical control.
Background technology
Bull wheel in spiral bevel gear pair or the hypoid gear pair is widely used in various industries such as automobile, tractor, engineering machinery, military project as the vital part of transmission device.The teeth directional, profile of tooth, tooth pitch equal error that in spiral bevel gear and Machining of Near-Hyperboloid Gear process, will guarantee gear can guarantee that just processed tooth transmission accuracy is high in certain claimed range.Its workpiece box of numerical control spiral bevel gear broaching machine of the prior art is mounted on the turntable; The feeding of toolbox and to retreat be to accomplish through the driven by servomotor ball-screw; Therefore the feeding of toolbox and retreat all and bear by ball-screw; Because the ball-screw load-bearing is heavier, thus it is produced heavy wear, and influence the precision of ball-screw.In addition; Because the cutting of large gear is had relatively high expectations to the lathe integral rigidity; The frock of above-mentioned gear-broach machine is installed perpendicular to the horizontal plane of lathe bed; Also need rely on the angle of workpiece box on turntable to satisfy the actual cut angle during its cutting,, make workpiece box and turntable must bear bigger chip-load so main cutting force all concentrates on the workpiece box.So not only can influence the integral rigidity of lathe, use also can influence the machining accuracy of lathe for a long time.
Above-mentioned gear-broach machine is in the workpiece working angles, because the calibration of indexing mechanism acts frequently, required time is shorter, and during the worm and gear engagement, its gap is difficult to quick elimination; In addition, because worm and gear meshes for a long time, under the protection of no backlash eliminating equipment, will influence and reduce indexing accuracy.It is to step up workpiece box integral body through hydraulic cylinder that workpiece clamps, because its main cutting cutter concentrates on the workpiece casing, utilizes the hydraulic clamp workpiece box can't avoid workpiece that small play takes place in working angles.Along with auto industry production by of the development of in enormous quantities, few kind to small batch, many kinds, more and more to the quantity required of large-scale high-precision gear, quality requirement is also increasingly high, and traditional numerical control spiral bevel gear broaching machine can't adapt to above-mentioned requirements.
Summary of the invention
The present invention provides a kind of and strengthens the lathe integral rigidity for solving the technical problem that exists in the known technology, fully simplifies machine tool structure and can increase substantially the gear compound graduation precision and the large-scale spiral bevel gear broaching machine of numerical control of cut precision.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
The large-scale spiral bevel gear broaching machine of numerical control; Comprise lathe bed assembly, toolbox assembly, workpiece box assembly, digital control system, hydraulic system, lubricating system and cooling chip removal system; Said lathe bed assembly is connected with the supporting plate that it is slided along bed ways through screw pair; On supporting plate, connect the toolbox assembly, in the said toolbox assembly delivering gear is installed through screw pair; Through a pair of gudgeon the workpiece box assembly that can rotate around the gudgeon center is installed on the said lathe bed assembly, said workpiece box assembly is connected with the hydraulic cylinder that is arranged on lathe bed assembly one side; In said workpiece box assembly, be provided with indexing mechanism; It is characterized in that: be equipped with on said workpiece box assembly and toolbox assembly top be used for fixing its between the two relative position be used for the workpiece box assembly and regulate the crossbeam clamping device of pendulum angle, be provided with the hydraulic damping device that is used for eliminating calibration action play gap in the said indexing mechanism.
The present invention can also adopt following technical scheme:
Said crossbeam clamping device comprises transverse beam assembly and clamp mechanism; Said transverse beam assembly comprises arc plate, middle slide plate and upper slide; Said clamp mechanism comprises the bearing affixed with toolbox assembly top, be installed in piston rod in the bearing, be fixed on bearing end covers at two sides and the clamp jaw that is connected with piston rod through bearing pin; Be provided with the compression spring between said piston rod and the end cap, on the bearing of said clamp mechanism, contact-relay be installed.
The arc plate of said transverse beam assembly is affixed through securing member and workpiece box assembly top; On the arc plate arc surface, be fixed with arc rack; The gear shaft that also middle slide plate is slided along the arc plate arc surface with the arc rack engagement is housed in the said middle slide plate; The relative position of arc plate and middle slide plate is fixed through T type screw, also is fixed with one in the middle slide plate and can drives the screw rod that upper slide slides along the middle slide plate keyway, and the screw rod other end connects upper slide; The relative position of middle slide plate and upper slide is fixed through bolt, nut, and the said upper slide other end is shaped on the convex locating piece.
Comprise the hydraulic damping device of eliminating play gap in the calibration action and workpiece clamping part, main shaft clamping part in the said indexing mechanism.
Said workpiece clamping part comprises the small-sized hydraulic piston cylinder affixed with cutter spindle one end, and the piston rod of piston cylinder is overhanging to be gone out the piston cylinder cylinder body and pack in the cutter spindle, the said piston rod head pull bar that is threaded, and through the pull bar joining work pieces.
Said main shaft clamping part comprises and is arranged in the main spindle box and is sleeved on the outside hydraulic cylinder of small-sized hydraulic piston cylinder, be equipped with in the said hydraulic cylinder one with the fixing friction plate of cutter spindle one end, be provided with the hydraulic cylinder piston sheet between said friction plate and the hydraulic cylinder.
Be equipped with slight clearance between said friction plate two sides and main shaft cabinet wall, the piston sheet.
Advantage and good effect that the present invention has are: because the present invention adopts technique scheme; Promptly through the relative position between crossbeam clamping device fixed cutting tool box assembly and the workpiece box assembly; Make lathe in whole working angles, be in clamped condition all the time, constitute the whole high rigid frame type structure of lathe; Because the main cutting force of gear-broach machine bed points to lathe bed,, and fully simplify the lathe overall structure so this lathe can utilize the lathe bed quality to obtain maximum processing rigidity.In addition, adopt numerical control scale-division and auxiliary calibration damping unit and calibration hydraulic clamp, make the calibration stable action of lathe, accurately, reliable, and then avoid workpiece that small play takes place in working angles, raising Gear Processing precision.So not only can realize the processing of large gear, but also can satisfy the requirement that auto industry is produced small batch, many kinds.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention;
Fig. 2 is a crossbeam clamping device overall structure sketch map of the present invention;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is a clamp mechanism structural representation among Fig. 2;
Fig. 5 is an indexing mechanism structural representation of the present invention;
Fig. 6 is a delivering gear structural representation of the present invention.
Among the figure: 1, lathe bed assembly; 1-1, supporting plate; 2, toolbox assembly; 3, variable-frequency motor; 4, delivering gear; 4-1, small-sized driving box; 4-2, servomotor output shaft; 4-3, pinion axle sleeve; 4-4, pressing plate; 4-5, gear wheel; 4-6, major axis cover; 4-7, ball screw assembly; 4-8, ring flange; 4-9, bearing outer end cap; 4-10, thrust bearing; 4-11, cutter spindle gear wheel; 4-12, cutter spindle; 5, crossbeam clamping device; 5-1, upper slide; 5-2, middle slide plate; 5-3, arc plate; 5-4, tooth bar; 5-5, gear shaft; 5-6, screw rod; 5-7, convex locating piece; 5-8, bearing; 5-9, piston rod; 5-10, end cap; 5-11, bearing pin; 5-12, clamp jaw; 5-13, compression spring; 5-14, relay; 6, workpiece box assembly; 7, main shaft casing; 8, indexing mechanism; 8-1, work spindle; 8-2, worm gear; 8-3, worm screw; 8-4, endless screw support; 8-5, gear wheel; 8-6, pinion shaft; 8-7, hydraulic motor; 8-8, small-sized hydraulic piston cylinder; 8-9, piston rod; 8-10, hydraulic cylinder; 8-11, piston sheet; 8-12, friction plate; 9, gudgeon; 10, hydraulic cylinder.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1-Fig. 6; The large-scale spiral bevel gear broaching machine of numerical control; Comprise lathe bed assembly 1, toolbox assembly 2, workpiece box assembly 6, digital control system, hydraulic system, lubricating system and cooling chip removal system, said digital control system, hydraulic system, lubricating system and cooling chip removal system be not expression in the drawings all.Said lathe bed assembly is connected with through screw pair and makes its supporting plate 1-1 that slides along bed ways, on supporting plate, connects toolbox assembly 2 through screw pair.In the said toolbox assembly delivering gear 4 is installed; The variable-frequency motor 3 that is used to drive the cutter spindle gyration also is housed on the toolbox assembly 2; Through a pair of gudgeon 9 the workpiece box assembly 6 that can rotate around the gudgeon center is installed on the said lathe bed assembly 1, said workpiece box assembly is connected with the hydraulic cylinder 10 that is arranged on lathe bed assembly one side.
Said delivering gear 4 terminals are fixedly connected through screw with cutter spindle 4-12; Delivering gear relies on driven by servomotor; Servomotor is fixed on the outer wall of small-sized driving box 4-1; Servomotor output shaft 4-2 connects a pinion axle sleeve 4-3, and both rely on pressing plate 4-4 screw to be fixed together, the pinion axle sleeve through a pair of ball bearing support fixation in small-sized driving box casing.Pinion axle sleeve 4-3 and gear wheel 4-5 engagement, said gear wheel are fixed on the major axis cover 4-6, fixing ball screw assembly, 4-7 in the major axis cover, and major axis overlaps two ends all to be fixed through bearings.Cutter spindle 4-12 tail end is by the fixing thrust bearing 4-10 of screw, and thrust bearing outer end cap 4-9 is fixed on the bearing block, and cutter spindle gear wheel 4-11 is housed on the cutter spindle.The ball-screw overhanging end is through the fixing ring flange 4-8 of locking nut, and ring flange is fixed on the bearing outer end cap by screw, above-mentioned formation feed action transmission system.The rotation of servomotor output shaft is the rotation of major axis cover through the meshing gear transmission, causes leading screw to advance, retreat, and the pulling cutter spindle advances, retreats.Feed action and cutter spindle gyration mutually noninterfere are carried out simultaneously.The advance and retreat scope of cutter spindle can be utilized near the switch control advance and retreat stroke and the position of making zero within the leading screw travel range.Said gear wheel 4-5 is fixed together by two identical gear wheels and forms; Both all with pinion axle sleeve engagement, but profile of tooth certain angle that staggers fixedly the time is during engaged transmission; Pinion axle sleeve profile of tooth both sides all with one of them engagement of gear wheel; The advantage of assembling is to rely on the gear wheel of two certain angles that stagger and pinion can eliminate the gap in this part transmission to a certain extent like this, guarantees that leading screw advance and retreat stroke is more accurate, makes cutter fed rat more accurate.
Said workpiece box assembly 6 and toolbox assembly 2 tops are equipped with and are used for fixing its relative position and regulate the crossbeam clamping device 5 of pendulum angle as the workpiece box assembly between the two; Said crossbeam clamping device comprises transverse beam assembly and clamp mechanism, and said transverse beam assembly comprises arc plate 5-3, middle slide plate 5-2 and upper slide 5-1.The arc plate of said transverse beam assembly is affixed through securing member and workpiece box assembly top; On the arc plate arc surface, be fixed with arc rack 5-4; Through gear shaft 5-5 and arc rack engagement middle slide plate is slided along the arc plate arc surface in the said middle slide plate, the relative position of arc plate and middle slide plate is fixed through T type screw.Also be fixed with one in the middle slide plate and can drive the screw rod 5-6 that upper slide slides along the middle slide plate keyway, the screw rod other end connects upper slide, and the relative position of middle slide plate and upper slide is fixed through bolt, nut, and the said upper slide other end is shaped on convex locating piece 5-7.Said clamp mechanism comprises the bearing 5-8 affixed with toolbox assembly top, and piston rod 5-9 is installed in bearing, is fixed with end cap 5-10 and the clamp jaw 5-12 that is connected with piston rod through bearing pin 5-11 in the bearing both sides.Be provided with compression spring 5-13 between said piston rod and the end cap, contact-relay 5-14 on the bearing of said clamp mechanism.After system pressure oil gets into bearing, promote piston rod to both sides roof pressure clamp jaw, make it clamp the crossbeam upper slide, when the unloading of system pressure oil, the compression spring recovers the home position, and clamp jaw opens.
The hydraulic cylinder 10 that is installed on lathe bed assembly 1 one sides receives HYDRAULIC CONTROL SYSTEM; The flexible workpiece box assembly 6 that causes of piston rod goes up and down; Behind hydraulic cylinder jack-up workpiece box assembly, the workpiece box assembly rotates around gudgeon 9 central shafts and rises, after upper slide 5-1 front end convex locating piece touches the contact-relay 5-14 that is fixed on the clamp mechanism; Clamp jaw 5-12 clamps upper slide, thereby makes toolbox assembly 2, clamp mechanism, transverse beam assembly, workpiece box assembly, lathe bed assembly constitute high rigid frame type structure.In working angles, clamp jaw clamps upper slide all the time under hydraulic system pressure, after cutting finishes, and hydraulic system unloading clamping system pressure, clamp jaw opens, and hydraulic cylinder piston rod shrinks, and the workpiece box assembly drops to horizontal level.A fixing rhizoid thick stick on the said lathe bed assembly, the fixing bearing in supporting plate below, the bearing internal thread cooperates with leading screw, through the Wrench rotational lead screw, can drag supporting plate and on bed ways, slide, and regulates the position of supporting plate.The also fixing rhizoid thick stick of said supporting plate; The fixing bearing in toolbox assembly below; The bearing internal thread cooperates with leading screw, through the Wrench rotational lead screw, can drag the toolbox assembly and slide along the supporting plate keyway; Regulate the position of toolbox assembly, the supporting plate moving direction is vertical with toolbox assembly moving direction.Said upper slide and middle slide plate, can drag upper slide and advance, retreat through the screw rod of Wrench rotational fixation in middle slide plate through a screw rod interlock.Said middle slide plate and arc plate are through the rack-and-pinion interlock, and the middle slide plate below is shaped on arc surface, and matches with the arc surface of arc plate, through Wrench turning gear wheel shaft 5-5, can drag middle slide plate and slide.After upper slide convex locating piece that the workpiece box assembly is raised up to transverse beam assembly touched contact-relay 5-14, the clamp mechanism of said crossbeam clamping device drove the upper slide 5-1 that clamps transverse beam assembly through hydraulic system, and then the position of fixation workpiece box assembly.
Be provided with indexing mechanism 8 in the said workpiece box assembly; Said indexing mechanism is by driven by servomotor; Motor output shaft connects worm screw 8-3 through shaft coupling, and in endless screw support 8-4, work spindle 8-1 cylindrical passes through fixedly worm gear 8-2 of screw by a pair of ball bearing support fixation at the worm screw two ends; The worm and gear engagement constitutes the indexing mechanism by digital control system control calibration.Said worm gear is fixed a gear wheel 8-5 and is meshed with a pinion shaft 8-6, and pinion shaft connects a hydraulic motor 8-7, and hydraulic motor is fixed in the main shaft casing 7, above-mentioned formation hydraulic damping device.When the work spindle calibration; Hydraulic work system drives hydraulic motor and produces and the opposite moment of torsion of work spindle gyratory directions tangent line; This torsional interaction and passes to the worm and gear kinematic pair through gear wheel on pinion shaft, the worm and gear engagement is rotated receive the opposing torque from damping unit simultaneously all the time; Eliminate the play gap in the calibration action, make the calibration process more steady, accurate.
Also be provided with the hydraulic clamp that is used to keep main shaft and workpiece indexing position thereof in the said indexing mechanism, said hydraulic clamp comprises workpiece clamping part and main shaft clamping part.Said workpiece clamping part comprises the small-sized hydraulic piston cylinder 8-8 affixed with work spindle 8-1 one end, and the piston rod 8-9 of small-sized hydraulic piston cylinder stretches out cylinder body outward and packs in the work spindle, the said piston rod head pull bar that is threaded, and through the pull bar joining work pieces.Said main shaft clamping part comprises the hydraulic cylinder 8-10 that is arranged in the main shaft casing 7 and is sleeved on small-sized hydraulic piston cylinder outside; Be equipped with in the said hydraulic cylinder one with the fixing friction plate 8-12 of work spindle one end, be provided with hydraulic cylinder piston sheet 8-11 between said friction plate and the hydraulic cylinder.Be equipped with slight clearance between said friction plate two sides and main shaft cabinet wall, the piston sheet.Said hydraulic clamp is under hydraulic system drives, and piston rod advances, retreats the pulling pull bar and goes up and down, and when cutting workpiece, piston rod is retreated, and pull bar descends, and workpiece is tightened up, and after cutting finished, piston rod advanced, and pull bar rises, and workpiece is released.Said main shaft clamps and relies on hydraulic cylinder 8-10 and friction plate 8-12 to realize that hydraulic cylinder is peripheral at the small-sized hydraulic piston cylinder, is fixed in the main spindle box, has a friction plate to be fixed in the main shaft tail end in the hydraulic cylinder.Between friction plate two sides and main shaft casing, the hydraulic cylinder piston sheet 8-11 slight clearance is arranged all.When calibration was accomplished, cutting workpiece need guarantee that workpiece is not squinted by position and calibration completing place under the cutting force effect.Hydraulic work system gives piston sheet pressure in the hydraulic cylinder, and this masterpiece is used for friction plate, and it firmly is pressed in the main shaft casing, and main shaft is clamped under the frictional force effect.Clamp and the main shaft clamping through workpiece, guarantee that like this workpiece is in the clamped state all the time in working angles, guarantee flank of tooth fineness and tooth pitch precision.
Claims (7)
1. large-scale spiral bevel gear broaching machine of numerical control; Comprise lathe bed assembly, toolbox assembly, workpiece box assembly, digital control system, hydraulic system, lubricating system and cooling chip removal system; Said lathe bed assembly is connected with the supporting plate that it is slided along bed ways through screw pair; On supporting plate, connect the toolbox assembly, in the said toolbox assembly delivering gear is installed through screw pair; Through a pair of gudgeon the workpiece box assembly that can rotate around the gudgeon center is installed on the said lathe bed assembly, said workpiece box assembly is connected with the hydraulic cylinder that is arranged on lathe bed assembly one side; In said workpiece box assembly, be provided with indexing mechanism; It is characterized in that: be equipped with on said workpiece box assembly and toolbox assembly top be used for fixing its between the two relative position be used for the workpiece box assembly and regulate the crossbeam clamping device of pendulum angle, be provided with the hydraulic damping device that is used for eliminating calibration action play gap in the said indexing mechanism.
2. the large-scale spiral bevel gear broaching machine of numerical control according to claim 1; It is characterized in that: said crossbeam clamping device comprises transverse beam assembly and clamp mechanism; Said transverse beam assembly comprises arc plate, middle slide plate and upper slide; Said clamp mechanism comprises the bearing affixed with toolbox assembly top, be installed in piston rod in the bearing, be fixed on bearing end covers at two sides and the clamp jaw that is connected with piston rod through bearing pin; Be provided with the compression spring between said piston rod and the end cap, on the bearing of said clamp mechanism, contact-relay be installed.
3. the large-scale spiral bevel gear broaching machine of numerical control according to claim 2; It is characterized in that: the arc plate of said transverse beam assembly is affixed through securing member and workpiece box assembly top; On the arc plate arc surface, be fixed with arc rack, the gear shaft that also middle slide plate is slided along the arc plate arc surface with the arc rack engagement is housed in the said middle slide plate, the relative position of arc plate and middle slide plate is fixed through T type screw; Also be fixed with one in the middle slide plate and can drive the screw rod that upper slide slides along the middle slide plate keyway; The screw rod other end connects upper slide, and the relative position of middle slide plate and upper slide is fixed through bolt, nut, and the said upper slide other end is shaped on the convex locating piece.
4. the large-scale spiral bevel gear broaching machine of numerical control according to claim 1 is characterized in that: comprise the hydraulic damping device of eliminating play gap in the calibration action and workpiece clamping part, main shaft clamping part in the said indexing mechanism.
5. the large-scale spiral bevel gear broaching machine of numerical control according to claim 4; It is characterized in that: said workpiece clamping part comprises the small-sized hydraulic piston cylinder affixed with cutter spindle one end; The piston rod of piston cylinder is overhanging to be gone out the piston cylinder cylinder body and packs in the cutter spindle; The said piston rod head pull bar that is threaded, and through the pull bar joining work pieces.
6. the large-scale spiral bevel gear broaching machine of numerical control according to claim 4; It is characterized in that: said main shaft clamping part comprises the hydraulic cylinder that is arranged in the main spindle box and is sleeved on small-sized hydraulic piston cylinder outside; Be equipped with in the said hydraulic cylinder one with the fixing friction plate of cutter spindle one end, be provided with the hydraulic cylinder piston sheet between said friction plate and the hydraulic cylinder.
7. the large-scale spiral bevel gear broaching machine of numerical control according to claim 6 is characterized in that: be equipped with slight clearance between said friction plate two sides and main shaft cabinet wall, the piston sheet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110353914 CN102380673B (en) | 2011-11-10 | 2011-11-10 | Digital control large curve-tooth bevel gear broaching machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110353914 CN102380673B (en) | 2011-11-10 | 2011-11-10 | Digital control large curve-tooth bevel gear broaching machine |
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| CN102380673A true CN102380673A (en) | 2012-03-21 |
| CN102380673B CN102380673B (en) | 2013-06-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624332A (en) * | 2013-07-29 | 2014-03-12 | 河南科技大学 | Spiral bevel gear broaching method and gear broaching machine tool |
| CN105965106A (en) * | 2016-06-22 | 2016-09-28 | 天津第机床总厂 | Numerical control small-modulus straight bevel gear shaper |
| CN106077838A (en) * | 2016-06-22 | 2016-11-09 | 天津第机床总厂 | Low module straight bevel gear numerical control gear shaper cutter relieving and adjusting apparatus |
| CN111730152A (en) * | 2020-07-20 | 2020-10-02 | 浙江日创机电科技有限公司 | Rotary milling head of internal gear rotary milling machine |
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| CN202317300U (en) * | 2011-11-10 | 2012-07-11 | 天津第一机床总厂 | Numerical control large-scale spiral bevel gear broaching machine |
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| GB818887A (en) * | 1956-07-02 | 1959-08-26 | Gleason Works | Improvements relating to machines for cutting gears and like toothed parts |
| SU1484490A2 (en) * | 1987-05-27 | 1989-06-07 | Ижевский механический институт | Broaching rest for gear-hobbing machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103624332A (en) * | 2013-07-29 | 2014-03-12 | 河南科技大学 | Spiral bevel gear broaching method and gear broaching machine tool |
| CN103624332B (en) * | 2013-07-29 | 2016-01-13 | 河南科技大学 | A kind of spiral bevel gear broaching processing method and gear-broach machine bed |
| CN105965106A (en) * | 2016-06-22 | 2016-09-28 | 天津第机床总厂 | Numerical control small-modulus straight bevel gear shaper |
| CN106077838A (en) * | 2016-06-22 | 2016-11-09 | 天津第机床总厂 | Low module straight bevel gear numerical control gear shaper cutter relieving and adjusting apparatus |
| CN111730152A (en) * | 2020-07-20 | 2020-10-02 | 浙江日创机电科技有限公司 | Rotary milling head of internal gear rotary milling machine |
| CN111730152B (en) * | 2020-07-20 | 2022-12-30 | 浙江日创机电科技有限公司 | Rotary milling head of internal gear rotary milling machine |
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| Publication number | Publication date |
|---|---|
| CN102380673B (en) | 2013-06-05 |
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