CN107433498A - A kind of wheel hub sanding apparatus easy to use - Google Patents

A kind of wheel hub sanding apparatus easy to use Download PDF

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Publication number
CN107433498A
CN107433498A CN201710710643.9A CN201710710643A CN107433498A CN 107433498 A CN107433498 A CN 107433498A CN 201710710643 A CN201710710643 A CN 201710710643A CN 107433498 A CN107433498 A CN 107433498A
Authority
CN
China
Prior art keywords
plate
wheel hub
block
easy
sander
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.)
Pending
Application number
CN201710710643.9A
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Chinese (zh)
Inventor
孙永丽
Original Assignee
孙永丽
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 孙永丽 filed Critical 孙永丽
Priority to CN201710710643.9A priority Critical patent/CN107433498A/en
Publication of CN107433498A publication Critical patent/CN107433498A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/067Work supports, e.g. adjustable steadies radially supporting workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36Single-purpose machines or devices
    • B24B5/363Single-purpose machines or devices for grinding surfaces of revolution in situ
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition

Abstract

The invention discloses a kind of wheel hub sanding apparatus easy to use, including bottom plate, the both sides of the bottom base plate have been fixedly connected with supporting leg, the both sides of the plate upper surface have been fixedly connected with vertical panel, and two relative sides of vertical panel have been fixedly connected with vertical rails, the top and bottom of the vertical rails inwall are connected by slide bar, and sliding block is slidably connected in the vertical rails, the sliding block is socketed on slide bar, and return spring is socketed with the slide bar and below sliding block.Pass through the improvement to sander, when pushing lifter plate, the mill and hub contacts of sander can be made, after unclamping lifter plate, in the presence of return spring, sander return can be made, coordinate the use of expansion link and extrusion spring, can stablize wheel hub clamping, wheel hub is polished so as to convenient, when rotating two movable blocks simultaneously in endless glide, hub rotation can be driven, so as to which the convenient other positions to wheel hub are polished.

Description

A kind of wheel hub sanding apparatus easy to use
Technical field
The present invention relates to wheel hub technical field of processing equipment, specially a kind of wheel hub sanding apparatus easy to use.
Background technology
Wheel hub is the cylindrical piece of metal for being used to support tire centered on axle in automobile tire, generally, is exactly Wheel center installs the position of axletree, is the important spare part for connecting brake drum (brake disc), wheel disc and semiaxis.
For existing wheel hub in process, it is necessary to polish its surface, existing sander is generally staff's hand Hold and then wheel hub is processed, although work can be completed, hand-held grinder is wasted time and energy, if muscle power is paid excessively, It can cause to polish uneven, and existing wheel hub generally requires and clamping is carried out to it in polishing, but the wheel after clamping Hub is inconvenient to be rotated, so as to which the inconvenient other positions to wheel hub are polished.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of wheel hub sanding apparatus easy to use, solves polishing The problem of device is wasted time and energy and is inconvenient to adjust wheel hub polishing position.
(2) technical scheme
To achieve the above object, the present invention provides following technical scheme:A kind of wheel hub sanding apparatus easy to use, including Bottom plate, the both sides of the bottom base plate have been fixedly connected with supporting leg, and the both sides of the plate upper surface have been fixedly connected with vertical Straight panel, and two relative sides of vertical panel have been fixedly connected with vertical rails, the top and bottom of the vertical rails inwall Connected by slide bar, sliding block is slidably connected in the vertical rails, the sliding block is socketed on slide bar, on the slide bar and position Be socketed with return spring below sliding block, and the both ends of return spring respectively with the bottom of vertical rails inwall and the bottom of sliding block Portion is fixedly connected, and two relative sides of sliding block are connected by lifter plate, and the bottom of the lifter plate is fixedly connected with polishing Machine.
The upper surface of the bottom plate is fixedly connected with endless glide, and two activities are slidably connected in the endless glide Block, is fixedly connected with riser at the top of the movable block, and the relative side of two risers by expansion link respectively with two The lateral wall of curved splint is flexibly connected, and extrusion spring is socketed with the expansion link, and the both ends of extrusion spring are respectively with erecting The side of plate is fixedly connected with the lateral wall of curved splint, and the bottom of the movable block is fixedly connected with the top of adjusting rod, institute State adjusting rod bottom sequentially pass through from top to bottom the annular groove that is opened up on endless glide and bottom plate and with the supports block below bottom plate Top be fixedly connected, crushing block is socketed with the adjusting rod and above the supports block, and the top of crushing block is fixed and connected Rubber blanket is connected to, and the bottom of bottom plate is overlapped at the top of rubber blanket, on the adjusting rod and between supports block and crushing block Garter spring is socketed with, and the both ends of garter spring are fixedly connected with the top of supports block and the bottom of crushing block respectively.
The upper surface of the bottom plate and it is fixedly connected with the bottom of motion bar in the endless glide, the top of the motion bar End is flexibly connected with the bottom of carrier, and the upper surface of the carrier is located at the underface being open between two curved splints.
Preferably, the height of the vertical rails is 3/5ths of vertical panel height, and two vertical rails are opposite Side is respectively positioned at the middle part of two vertical panel opposite sides.
Preferably, the both sides of the lifter plate are located at the middle part of two sliding block opposite sides, and the top of sander respectively Positioned at the centre position of lifter plate bottom.
Preferably, the surface that the mill of the sander is open between two curved splints, and two arc folders Plate docking is shaped as circle.
Preferably, the bottom of the endless glide is located at the middle part of plate upper surface, and the original position of two movable blocks It is symmetrical arranged using the midpoint of endless glide as axle center.
Preferably, the top of the adjusting rod is located at the centre position of movable block bottom, and the bottom of adjusting rod is positioned at supporting Centre position at the top of block.
(3) beneficial effect
The invention provides a kind of wheel hub sanding apparatus easy to use.Possesses following beneficial effect:
(1), the present invention, when pushing lifter plate, can make the mill and wheel hub of sander by the improvement to sander Contact, after unclamping lifter plate, in the presence of return spring, sander return can be made, so as to reach time saving and energy saving effect Fruit.
(2), for the present invention by the improvement to vertical rails, the use of two sliding blocks of cooperation being capable of the progress of easy of rise plate Move up and down, in the presence of slide bar, by increasing capacitance it is possible to increase the stability of lifter plate.
(3), the present invention coordinates the use of expansion link and extrusion spring, can stablize will by the improvement to curved splint Wheel hub clamping, wheel hub is polished so as to convenient.
(4), the present invention passes through the improvement to endless glide, when rotating two movable blocks simultaneously in endless glide, energy Hub rotation is enough driven, so as to which the convenient other positions to wheel hub are polished.
(5), the present invention coordinates the use of garter spring by the improvement to supports block, when supports block is against the bottom of bottom plate, Movable block can be made stably to keep adjusted position, wheel hub is polished so as to stable.
Brief description of the drawings
Fig. 1 is the front section view of structure of the present invention;
Fig. 2 is the sectional view of structure top view of the present invention.
In figure:1 bottom plate, 2 supporting legs, 3 vertical panels, 4 vertical rails, 5 slide bars, 6 sliding blocks, 7 return springs, 8 lifter plates, 9 Sander, 10 extrusion springs, 11 endless glides, 12 movable blocks, 13 risers, 14 expansion links, 15 curved splints, 16 adjusting rods, 17 Annular groove, 18 supports blocks, 19 crushing blocks, 20 rubber blankets, 21 garter springs, 22 motion bars, 23 carriers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
As shown in Figure 1-2, the present invention provides a kind of technical scheme:A kind of wheel hub sanding apparatus easy to use, including bottom Plate (1), the both sides of bottom plate (1) bottom have been fixedly connected with supporting leg (2), and the both sides of bottom plate (1) upper surface have been fixedly connected with Vertical panel (3), and two relative sides of vertical panel (3) have been fixedly connected with vertical rails (4), the height of vertical rails (4) For 3/5ths of vertical panel (3) height, and the opposite side of two vertical rails (4) is located at two vertical panel (3) phases respectively To the middle part of side, the top and bottom of vertical rails (4) inwall are connected by slide bar (5), are slidably connected in vertical rails (4) There is sliding block (6), sliding block (6) is socketed on slide bar (5), and return spring is socketed with slide bar (5) and below sliding block (6) (7), and the both ends of return spring (7) are fixedly connected with the bottom of vertical rails (4) inwall and the bottom of sliding block (6) respectively, and The relative side of two sliding blocks (6) is connected by lifter plate (8), and the bottom of lifter plate (8) is fixedly connected with sander (9), is risen The both sides of plate (8) drop respectively positioned at the middle part of two sliding block (6) opposite sides, and the top of sander (9) is located at lifter plate (8) The centre position of bottom, the length of slide rail (4) and the position relationship with vertical panel (3), and lifter plate (8) both sides and two The position relationship of sliding block (6), it can make lifter plate (8) is stable to move up and down, by the improvement to sander (9), instantly When pressing lifter plate (8), the mill and hub contacts of sander (9) can be made, after unclamping lifter plate (8), in return spring (7) Under effect, sander (9) return can be made, so as to reach time saving and energy saving effect, by the improvement to vertical rails (4), Coordinate two sliding blocks (6) use, can easy of rise plate (8) move up and down, in the presence of slide bar (5), Neng Gouzeng Add the stability of lifter plate (8).
The upper surface of bottom plate (1) is fixedly connected with endless glide (11), and two work are slidably connected in endless glide (11) Motion block (12), the bottom of endless glide (11) are located at the middle part of bottom plate (1) upper surface, and the original position of two movable blocks (12) It is symmetrical arranged using the midpoint of endless glide (11) as axle center, riser (13), and two is fixedly connected with the top of movable block (12) The relative side of riser (13) is flexibly connected by lateral wall of the expansion link (14) respectively with two curved splints (15), is stretched It is socketed with extrusion spring (10) on bar (14), and the both ends of extrusion spring (10) side with riser (13) and curved splint respectively (15) lateral wall is fixedly connected, and the mill of sander (9) is located at the surface being open between two curved splints (15), and two Individual curved splint (15) docking is shaped as circle, so as to which sander (9) can be smoothly between two curved splints (15) Wheel hub is polished, and the bottom of movable block (12) is fixedly connected with the top of adjusting rod (16), and the bottom of adjusting rod (16) is from upper Sequentially passed through under the annular groove (17) that is opened up on endless glide (11) and bottom plate (1) and with the supports block (18) below bottom plate (1) Top be fixedly connected, the top of adjusting rod (16) is located at the centre position of movable block (12) bottom, and the bottom of adjusting rod (16) Centre position of the end at the top of the supports block (18), crushing block is socketed with adjusting rod (16) and above supports block (18) (19) rubber blanket (20), and at the top of crushing block (19) is fixedly connected with, and bottom plate (1) is overlapped at the top of rubber blanket (20) Bottom, garter spring (21), and garter spring are socketed with adjusting rod (16) and between supports block (18) and crushing block (19) (21) both ends are fixedly connected with the top of supports block (18) and the bottom of crushing block (19) respectively, by curved splint (15) Improve, coordinate the use of expansion link (14) and extrusion spring (10), can stablize wheel hub clamping, wheel hub is carried out so as to convenient Polishing,, can when rotating two movable block (12) simultaneously in endless glide (11) by the improvement to endless glide (11) Hub rotation is driven, so as to which the convenient other positions to wheel hub are polished, by the improvement to supports block (18), coordinates garter spring (21) use, when supports block (18) is against the bottom of bottom plate (1), it can make movable block (12) is stable to keep adjusted position Put, wheel hub is polished so as to stable.
The upper surface of bottom plate (1) and it is fixedly connected with the bottom of motion bar (22) in the endless glide (11), motion bar (22) top is flexibly connected with the bottom of carrier (23), the upper surface of carrier (23) positioned at two curved splints (15) it Between the underface that is open, by there is provided carrier (23), can conveniently place wheel hub, in the presence of motion bar (22), energy Enough convenient rotation carriers (23).
The electric elements occurred in this article electrically connect with the main controller and 220V civil powers in the external world, and main controller can be meter Calculation machine etc. plays the conventionally known equipment of control.
It can to sum up obtain, the wheel hub sanding apparatus easy to use, by the improvement to sander (9), when pushing lifter plate (8) when, the mill and hub contacts of sander (9) can be made, after unclamping lifter plate (8), in the presence of return spring (7), Sander (9) return can be made, so as to reach time saving and energy saving effect, by the improvement to vertical rails (4), coordinate two The use of sliding block (6), can easy of rise plate (8) move up and down, in the presence of slide bar (5), by increasing capacitance it is possible to increase lifter plate (8) stability, by the improvement to curved splint (15), the use of expansion link (14) and extrusion spring (10) is coordinated, can Stabilization is by wheel hub clamping, so that convenient polish wheel hub, by the improvement to endless glide (11), when in endless glide (11) when rotating two movable block (12) in simultaneously, hub rotation can be driven, so as to which the convenient other positions to wheel hub are polished, By the improvement to supports block (18), coordinate the use of garter spring (21), when supports block (18) is against the bottom of bottom plate (1), energy Enough make movable block (12) is stable to keep adjusted position, wheel hub is polished so as to stable.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Other identical element also be present in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of wheel hub sanding apparatus easy to use, including bottom plate (1), it is characterised in that:The both sides of bottom plate (1) bottom Supporting leg (2) is fixedly connected with, the both sides of bottom plate (1) upper surface have been fixedly connected with vertical panel (3), and two vertical The relative side of plate (3) has been fixedly connected with vertical rails (4), passes through cunning at the top and bottom of vertical rails (4) inwall Bar (5) connects, and slidably connects sliding block (6) in the vertical rails (4), the sliding block (6) is socketed on slide bar (5), described Return spring (7) is socketed with slide bar (5) and below sliding block (6), and the both ends of return spring (7) are slided with vertical respectively The bottom of rail (4) inwall is fixedly connected with the bottom of sliding block (6), and the relative side of two sliding blocks (6) passes through lifter plate (8) even Connect, the bottom of the lifter plate (8) is fixedly connected with sander (9);
The upper surface of the bottom plate (1) is fixedly connected with endless glide (11), and two are slidably connected in the endless glide (11) Individual movable block (12), riser (13), and the side that two risers (13) are relative are fixedly connected with the top of the movable block (12) It is flexibly connected by lateral wall of the expansion link (14) respectively with two curved splints (15), is socketed with the expansion link (14) Extrusion spring (10), and the both ends of extrusion spring (10) are consolidated with the side of riser (13) and the lateral wall of curved splint (15) respectively Fixed connection, the bottom of the movable block (12) are fixedly connected with the top of adjusting rod (16), the bottom of the adjusting rod (16) from Top to bottm sequentially pass through the annular groove (17) that is opened up on endless glide (11) and bottom plate (1) and with the supports block below bottom plate (1) (18) it is fixedly connected at the top of, crushing block (19) is socketed with the adjusting rod (16) and above supports block (18), and squeeze Rubber blanket (20) is fixedly connected with the top of briquetting (19), and the bottom of bottom plate (1) is overlapped at the top of rubber blanket (20), it is described It is socketed with garter spring (21) on adjusting rod (16) and between supports block (18) and crushing block (19), and garter spring (21) Both ends are fixedly connected with the top of supports block (18) and the bottom of crushing block (19) respectively;
The upper surface of the bottom plate (1) and it is fixedly connected with the bottom of motion bar (22) in the endless glide (11), the work The top of lever (22) is flexibly connected with the bottom of carrier (23), and the upper surface of the carrier (23) presss from both sides positioned at two arcs The underface being open between plate (15).
A kind of 2. wheel hub sanding apparatus easy to use according to claim 1, it is characterised in that:The vertical rails (4) height is (3/5ths) of vertical panel (3) height, and the opposite side of two vertical rails (4) is located at two respectively The middle part of vertical panel (3) opposite side.
A kind of 3. wheel hub sanding apparatus easy to use according to claim 1, it is characterised in that:The lifter plate (8) Both sides respectively positioned at the middle part of two sliding block (6) opposite sides, and the top of sander (9) is located at lifter plate (8) bottom Centre position.
A kind of 4. wheel hub sanding apparatus easy to use according to claim 1, it is characterised in that:The sander (9) The surface that is open between two curved splints (15) of mill, and two curved splints (15) docking are shaped as justifying Shape.
A kind of 5. wheel hub sanding apparatus easy to use according to claim 1-4, it is characterised in that:The endless glide (11) bottom is located at the middle part of bottom plate (1) upper surface, and the original position of two movable blocks (12) is with endless glide (11) Midpoint is symmetrical arranged for axle center.
A kind of 6. wheel hub sanding apparatus easy to use according to claim 1-5, it is characterised in that:The adjusting rod (16) during top is located at the centre position of movable block (12) bottom, and the bottom of adjusting rod (16) is located at the top of supports block (18) Between position.
A kind of 7. wheel hub polishing process easy to use, it is characterised in that:The wheel hub sanding apparatus easy to use, pass through air exercise The improvement of grinding machine (9), when pushing lifter plate (8), the mill and hub contacts of sander (9) can be made, unclamp lifter plate (8) Afterwards, in the presence of return spring (7), sander (9) return can be made, so as to reach time saving and energy saving effect, by right The improvement of vertical rails (4), coordinate two sliding blocks (6) use, can easy of rise plate (8) move up and down, in slide bar (5) in the presence of, by increasing capacitance it is possible to increase the stability of lifter plate (8), by the improvement to curved splint (15), coordinate expansion link (14) It with the use of extrusion spring (10), can stablize wheel hub clamping, wheel hub be polished so as to convenient, by endless glide (11) improvement, when rotating two movable block (12) simultaneously in endless glide (11), hub rotation can be driven, so as to side Just the other positions of wheel hub are polished, by the improvement to supports block (18), coordinates the use of garter spring (21), when supports block (18) It when being against the bottom of bottom plate (1), can make movable block (12) is stable to keep adjusted position, wheel hub is beaten so as to stable Mill.
CN201710710643.9A 2017-08-18 2017-08-18 A kind of wheel hub sanding apparatus easy to use Pending CN107433498A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710710643.9A CN107433498A (en) 2017-08-18 2017-08-18 A kind of wheel hub sanding apparatus easy to use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710710643.9A CN107433498A (en) 2017-08-18 2017-08-18 A kind of wheel hub sanding apparatus easy to use

Publications (1)

Publication Number Publication Date
CN107433498A true CN107433498A (en) 2017-12-05

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Country Link
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107932283A (en) * 2017-12-08 2018-04-20 马宁 A kind of sanding apparatus for equipment of railway transportation
CN107999577A (en) * 2017-12-12 2018-05-08 郭文英 Horizontal device for discharging for veneer reeling machine
CN108340236A (en) * 2018-04-08 2018-07-31 无锡杰森表面处理设备有限公司 Has the deburring machine of surface-turning function
CN108723824A (en) * 2018-06-14 2018-11-02 天津浩岩科技开发有限公司 A kind of fixed equipment of automotive hub processing
CN108747815A (en) * 2018-06-07 2018-11-06 安徽机电职业技术学院 A kind of polished surface grinding device
CN108941206A (en) * 2018-07-09 2018-12-07 叶博浩 A kind of electrode roller preheating device
CN109366332A (en) * 2018-10-26 2019-02-22 蒋永红 A kind of ceramics curved surface polishing grinding apparatus
CN111390736A (en) * 2020-06-03 2020-07-10 山东镁卡车轮有限公司 A polishing equipment for wheel hub inner wall
CN111408907A (en) * 2020-04-24 2020-07-14 北京恒昌泰建筑工程有限公司 Hub self-attaching extrusion type manufacturing process

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107932283A (en) * 2017-12-08 2018-04-20 马宁 A kind of sanding apparatus for equipment of railway transportation
CN107999577A (en) * 2017-12-12 2018-05-08 郭文英 Horizontal device for discharging for veneer reeling machine
CN108340236A (en) * 2018-04-08 2018-07-31 无锡杰森表面处理设备有限公司 Has the deburring machine of surface-turning function
CN108747815A (en) * 2018-06-07 2018-11-06 安徽机电职业技术学院 A kind of polished surface grinding device
CN108723824A (en) * 2018-06-14 2018-11-02 天津浩岩科技开发有限公司 A kind of fixed equipment of automotive hub processing
CN108941206A (en) * 2018-07-09 2018-12-07 叶博浩 A kind of electrode roller preheating device
CN108941206B (en) * 2018-07-09 2020-01-10 叶博浩 Electrode roller preheating device
CN109366332A (en) * 2018-10-26 2019-02-22 蒋永红 A kind of ceramics curved surface polishing grinding apparatus
CN111408907A (en) * 2020-04-24 2020-07-14 北京恒昌泰建筑工程有限公司 Hub self-attaching extrusion type manufacturing process
CN111408907B (en) * 2020-04-24 2021-05-14 内蒙古华唐铝业有限公司 Hub self-attaching extrusion type manufacturing process
CN111390736A (en) * 2020-06-03 2020-07-10 山东镁卡车轮有限公司 A polishing equipment for wheel hub inner wall

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