CN104084876B - Technology for treating surface roughness of gear rolling plate - Google Patents
Technology for treating surface roughness of gear rolling plate Download PDFInfo
- Publication number
- CN104084876B CN104084876B CN201410359130.4A CN201410359130A CN104084876B CN 104084876 B CN104084876 B CN 104084876B CN 201410359130 A CN201410359130 A CN 201410359130A CN 104084876 B CN104084876 B CN 104084876B
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- China
- Prior art keywords
- area
- wedging
- wedging portion
- spline tooth
- surface roughness
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
Abstract
The invention relates to the technical field of surface treatment of a gear rolling plate, in particular to a technology for treating the surface roughness of the gear rolling plate. The technology comprises the following steps of (a) performing cleaning treatment on the surface of a parallel portion and a feeding portion of the gear rolling plate; (b) dividing the feeding portion into a first area and a second area; (c) performing fine grinding treatment on the second area of the feeding portion and the parallel portion, and grinding the surface roughness of the second area of the feeding portion and the parallel portion into 1.1 micrometers to 1.7 micrometers; (d) utilizing a PVA grinding wheel for polishing the second area of the feeding portion and the parallel portion after fine grinding treatment, and polishing the surface roughness of the second area of the feeding portion and the parallel portion to be below 1.0 micrometer; (e) utilizing a sand-blasting machine for performing sand blasting on the surface of the first area of the feeding portion; (f) cleaning the surface of the parallel portion and the surface of the feeding portion of the gear rolling plate. The treated gear rolling plate can improve the rolling precision and the production efficiency of a workpiece, and the service life of the gear rolling plate is prolonged.
Description
Technical field
A kind of surface roughness the present invention relates to the technical field of surface of spline tooth broaching board, more particularly to spline tooth broaching board is processed
Technique.
Background technology
Spline tooth broaching board is a kind of being used for workpiece（For example：Screw blank）Carry out the mould that screw thread turns to make.Spline tooth broaching board is typically wrapped
Wedging portion and parallel portion are included, wherein, the Main Function in wedging portion is to carry out thread forming to workpiece to turn to make, what this step was formed
Screw thread belongs to semi-finished product screw thread（Roughing）, the Main Function of parallel portion be to turning to make through overmolding after workpiece carry out screw thread and repair
Turn over is made, and the screw thread that this step is formed belongs to complete screw thread（Finishing）.At present, existing spline tooth broaching board has at 2 points and lacks
Fall into, one is the surface in wedging portion is excessively smooth, when wedging portion carries out shaping to workpiece to be turned to make, can be because wedging portion surface mistake
In smooth and cause workpiece the phenomenon skidded occur, workpiece is difficult to turn to cause type in wedging portion, and workpiece charging is unstable, rubs with the hands
Tooth plate to workpiece turn make inefficiency；The second is the surface smoothness of parallel portion is not enough, the frictional force of parallel portion and workpiece
Excessive, accuracy of thread is unstable to cause parallel portion to make workpiece finishing turn, and finish is poor, while causing spline tooth broaching board service life to contract
It is short.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art a kind of surface roughness handling process of spline tooth broaching board is provided,
Through the spline tooth broaching board after the PROCESS FOR TREATMENT, can improve and manufacturing accuracy and production efficiency, and the use for extending spline tooth broaching board are turned to workpiece
Life-span.
To achieve the above object, a kind of surface roughness handling process of spline tooth broaching board of the invention, including following technique is walked
Suddenly：
（a）The surface of parallel portion and wedging portion to spline tooth broaching board carries out cleaning treatment；
（b）Region division is carried out to wedging portion, first area and second area is respectively divided into；
（c）Second area and parallel portion to wedging portion carry out smooth grinding treatment, by the second area in wedging portion with it is parallel
The surface roughness in portion is ground to 1.1 ~ 1.7 μm；
（d）Place is polished to the second area and parallel portion in the wedging portion after smooth grinding is processed using PVA emery wheels
Reason, less than 1.0 μm are polished to by the surface roughness of the second area in wedging portion and parallel portion；
（e）Blasting treatment is carried out to the surface of the first area in wedging portion using sand-blasting machine, by the first area in wedging portion
Surface roughness increase to 10 ~ 15 μm；
（f）The surface of parallel portion and wedging portion to spline tooth broaching board is cleared up.
Wherein, the step（e）In, sand-blasting machine is 0.18 ~ 0.28MPa to the blasting pressure of the first area in wedging portion.
Wherein, the step（e）In, sand-blasting machine is 150 ~ 200mm to the sandblasting distance of the first area in wedging portion.
Wherein, the step（e）In, a length of 1 ~ 2h when sand-blasting machine is to the sandblasting of the first area in wedging portion.
Wherein, the step（e）In, the sand grains that first area sandblasting of the sand-blasting machine to wedging portion is used is that granularity is #
24 ceramic powder.
Wherein, the step（f）In, by the dry compressed air of air compressor blow away spline tooth broaching board wedging portion and
The sand grains of the remained on surface of parallel portion.
Wherein, in the step（d）Afterwards, step（e）Also include step before（d1）By the second area in wedging portion and
The surface of parallel portion covers.
Wherein, when the surface of the first area to tooth away from the wedging portion for below 2.5mm carries out sandblasting, blasting pressure is
0.18~0.22MPa。
Wherein, when the surface of the first area to tooth away from the wedging portion for more than 2.5mm carries out sandblasting, blasting pressure is
0.22~0.28MPa。
Beneficial effects of the present invention：Through the spline tooth broaching board after PROCESS FOR TREATMENT of the invention, the table of the first area in its wedging portion
Face is coated with layer of particles, increased the roughness on the surface of the first area in wedging portion, it is ensured that the first area pair in wedging portion
When workpiece carries out turning to make work, workpiece is more easy to charging, it is ensured that workpiece is not in skid when carrying out and turn and make into wedging portion, and
The service life that wedging portion turns the precision and extension wedging portion for making to workpiece can be improved；The second area in wedging portion and parallel portion
Surface turns by the second area and parallel portion region that after the polishing of PVA emery wheels, greatly reduce wedging portion to workpiece
Friction during affected industry so that the region is highly polished to the dressing accuracy good stability of workpiece, and can extend making for the region
With the life-span, the production efficiency that spline tooth broaching board turns to make to workpiece is improved.
Brief description of the drawings
Fig. 1 is the structural representation of the spline tooth broaching board for carrying out surface roughness treatment.
Reference includes：
10-spline tooth broaching board, 11-wedging portion, 12-parallel portion
13-outlet, 111-first area, 112-second area.
Specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
Embodiment one.
As shown in figure 1, a kind of surface roughness handling process of spline tooth broaching board, comprises the following steps that：
（a）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 carries out cleaning treatment；
（b）Region division is carried out to wedging portion 11, first area 111 and second area 112 is respectively divided into；
（c）Second area 112 and parallel portion 12 to wedging portion 11 carry out smooth grinding treatment, by secondth area in wedging portion 11
The surface roughness of domain 112 and parallel portion 12 is ground to 1.1 μm；
（d）The second area 112 and parallel portion 12 in the wedging portion 11 after smooth grinding is processed are carried out using PVA emery wheels
Polishing；
（e）Blasting treatment is carried out to the surface of the first area 111 in wedging portion 11 using sand-blasting machine；
（f）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 is cleared up.
Wherein, the step（e）In, sand-blasting machine is 150mm, spray to the sandblasting distance of the first area 111 in wedging portion 11
The sand grains that first area 111 sandblasting of the sand machine to wedging portion 11 is used is the ceramic powder that granularity is #24；Wherein, wedging portion 11
First area 111 tooth away from being below 2.5mm, blasting pressure is 0.18Mpa, a length of 1h during sandblasting.
In the present embodiment, the step（f）In, spline tooth broaching board 10 is blown away by the dry compressed air of air compressor
The sand grains of the remained on surface of wedging portion 11 and parallel portion 12, prevents the sand grains for being not attached to the surface of wedging portion 11 of the residual, with
And in sand grains present on parallel portion 12 have influence on wedging portion 11 and parallel portion 12 to workpiece turn make work, can finally ensure to put down
Row portion 12 and the sand grains of the equal noresidue in wedging portion 11, it is ensured that the normal usage energy of spline tooth broaching board 10.
First, the wedging portion 11 of spline tooth broaching board 10 and the surface of parallel portion 12 that need to carry out surface roughness treatment are carried out
Cleaning, the pollutants such as the dust on the surface of spline tooth broaching board 10 are removed, and then carry out first area 111 and second area to wedging portion 11
112 divide, and main differentiation of division for carrying out the region needs to carry out the surface of wedging portion 11 of blasting treatment and need not carry out sandblasting
The surface of wedging portion 11 for the treatment of, then the second area 112 and parallel portion 12 to wedging portion 11 carry out smooth grinding treatment, by wedging
The second area 112 in portion 11 and the surface roughness of parallel portion 12 are ground to 1.4 μm, and this step is processed using traditional smooth grinding
Technology, then recycles PVA emery wheels to the second area 112 and parallel portion 12 in the wedging portion 11 after smooth grinding is processed
Surface be processed by shot blasting；After completing PVA treatment, first area of the recycling sand-blasting machine to the wedging portion 11 of spline tooth broaching board 10
111 surface carries out blasting treatment, and the surface covering layer of particles in wedging portion 11 is caused after sandblasting；Last eating to spline tooth broaching board 10
The surface for entering portion 11 and parallel portion 12 is cleared up, and removes the residual grit on wedging portion 11 and the surface of parallel portion 12.
Detected through surface roughometer, the second area 112 in wedging portion 11 and the roughness on the surface of parallel portion 12 are 0.8 μ
M, the roughness value is less than 1.0 μm；The roughness value on the surface of second area 112 in wedging portion 11 is 10 μm, and the roughness value exists
In 10 ~ 15 μ ms；The roughness value on wedging portion 11 and the surface of parallel portion 12 meets predetermined production standard.
Step in the present embodiment（c）In, second area 112 and parallel portion 12 to wedging portion 11 carry out smooth grinding treatment,
The surface roughness of the second area 112 in wedging portion 11 and parallel portion 12 is ground to 1.4 μm, this kind of smooth grinding is using traditional skill
Art carries out smooth grinding；Carrying out step（d）Before, PVA emery wheels first can be accomplished into the tooth with the parallel portion 12 of spline tooth broaching board 10
Type identical angle, secondth area of the PVA emery wheels to the wedging portion 11 after smooth grinding is processed of angle is fixed followed by this
Domain 112 and parallel portion 12 are processed by shot blasting, the surface roughness of the second area 112 in wedging portion 11 and parallel portion 12 are polished
To less than 1.0 μm.
The first area 111 of the spline tooth broaching board 10 in the present embodiment and dividing for second area 112 can be according to the specific of production
Needs are divided, wherein, spline tooth broaching board 10 also includes an outlet 13, after the completion of workpiece turns to make in the finishing of parallel portion 12, work
Part certainly, while the polishing of PVA emery wheels is carried out to parallel portion 12, is also carried out from the output of outlet 13 to the region of outlet 13
PVA emery wheel polishings.
Through the spline tooth broaching board 10 after PROCESS FOR TREATMENT of the invention, the surface of the first area 111 in its wedging portion 11 is coated with one
Layer particulate, increased the roughness on the surface of the first area 111 in wedging portion 11, it is ensured that the first area in wedging portion 11 111 pairs
When workpiece carries out turning to make work, workpiece is more easy to charging, it is ensured that workpiece is not in skid when carrying out and turn and make into wedging portion 11, with
And the service life that wedging portion 11 turns the precision and extension wedging portion 11 for making to workpiece can be improved；The second area in wedging portion 11
112 and parallel portion 12 surface by after the polishing of PVA emery wheels, greatly reducing the second area 112 in wedging portion 11
Turn friction during affected industry to workpiece with the region of parallel portion 12 so that the region is bright and clean to the dressing accuracy good stability of workpiece
Degree is high, and can extend the service life in the region, improves the production efficiency that spline tooth broaching board 10 turns to make to workpiece.
The present embodiment through the surface of the spline tooth broaching board 10 after blasting treatment test result as shown in Table 1.
Embodiment two.
As shown in figure 1, a kind of surface roughness handling process of spline tooth broaching board of the invention, comprises the following steps that：
（a）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 carries out cleaning treatment；
（b）Region division is carried out to wedging portion 11, first area 111 and second area 112 is respectively divided into；
（c）Second area 112 and parallel portion 12 to wedging portion 11 carry out smooth grinding treatment, by secondth area in wedging portion 11
The surface roughness of domain 112 and parallel portion 12 is ground to 1.4 μm；
（d）The second area 112 and parallel portion 12 in the wedging portion 11 after smooth grinding is processed are carried out using PVA emery wheels
Polishing, 0.7 μm is polished to by the surface roughness of the second area 112 in wedging portion 11 and parallel portion 12；
（d1）The surface of the second area 112 in wedging portion 11 and parallel portion 12 is covered；
（e）Blasting treatment is carried out to the surface of the first area 111 in wedging portion 11 using sand-blasting machine, sand-blasting machine is to wedging portion
The sand grains that 11 sandblasting of first area 111 is used is the ceramic powder that granularity is #24, wherein, the first area 111 in wedging portion 11
Tooth away from being below 2.5mm, blasting pressure is 0.20Mpa, and sandblasting distance is 170mm, a length of 1.5h during sandblasting；
（f）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 is cleared up.
Detected through surface roughometer, the second area 112 in wedging portion 11 and the roughness on the surface of parallel portion 12 are 0.7 μ
M, the roughness value is less than 1.0 μm；The roughness value on the surface of second area 112 in wedging portion 11 is 11 μm, and the roughness value exists
In 10 ~ 15 μ ms；The roughness value on wedging portion 11 and the surface of parallel portion 12 meets predetermined production standard.
In the present embodiment, in step（d）Afterwards, step（e）A step is also included before（d1）, by the of wedging portion 11
The surface of two regions 112 and parallel portion 12 covers；By after the process, it can be ensured that when the first area to wedging portion 11
111 when carrying out blasting treatment, it is to avoid sand grains is sprayed onto the second area 112 in wedging portion 11 and the surface of parallel portion 12, and then really
The accurate sandblasting to the first area 111 of wedging portion 11 is protected, sandblasting effect is good, and production efficiency is high.
Through the spline tooth broaching board 10 after PROCESS FOR TREATMENT of the invention, the surface of the first area 111 in its wedging portion 11 is coated with one
Layer particulate, increased the roughness on the surface of the first area 111 in wedging portion 11, it is ensured that the first area in wedging portion 11 111 pairs
When workpiece carries out turning to make work, workpiece is more easy to charging, it is ensured that workpiece is not in skid when carrying out and turn and make into wedging portion 11, with
And the service life that wedging portion 11 turns the precision and extension wedging portion 11 for making to workpiece can be improved；The second area in wedging portion 11
112 and parallel portion 12 surface by after the polishing of PVA emery wheels, greatly reducing the second area 112 in wedging portion 11
Turn friction during affected industry to workpiece with the region of parallel portion 12 so that the region is bright and clean to the dressing accuracy good stability of workpiece
Degree is high, and can extend the service life in the region, improves the production efficiency that spline tooth broaching board 10 turns to make to workpiece.
The present embodiment through the surface of the spline tooth broaching board 10 after blasting treatment test result as shown in Table 1.
Embodiment three.
As shown in figure 1, a kind of surface roughness handling process of spline tooth broaching board of the invention, comprises the following steps that：
（a）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 carries out cleaning treatment；
（b）Region division is carried out to wedging portion 11, first area 111 and second area 112 is respectively divided into；
（c）Second area 112 and parallel portion 12 to wedging portion 11 carry out smooth grinding treatment, by secondth area in wedging portion 11
The surface roughness of domain 112 and parallel portion 12 is ground to 1.4 μm；
（d）The second area 112 and parallel portion 12 in the wedging portion 11 after smooth grinding is processed are carried out using PVA emery wheels
Polishing, 0.8 μm is polished to by the surface roughness of the second area 112 in wedging portion 11 and parallel portion 12；
（d1）The surface of the second area 112 in wedging portion 11 and parallel portion 12 is covered；
（e）Blasting treatment is carried out to the surface of the first area 111 in wedging portion 11 using sand-blasting machine, sand-blasting machine is to wedging portion
The sand grains that 11 sandblasting of first area 111 is used is the ceramic powder that granularity is #24, wherein, the first area 111 in wedging portion 11
Tooth away from being more than 2.5mm, blasting pressure is 0.22MPa, and sandblasting distance is 190mm, a length of 1.5h during sandblasting；
（f）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 is cleared up.
Detected through surface roughometer, the second area 112 in wedging portion 11 and the roughness on the surface of parallel portion 12 are 0.8 μ
M, the roughness value is less than 1.0 μm；The roughness value on the surface of second area 112 in wedging portion 11 is 12.5 μm, the roughness value
In 10 ~ 15 μ ms；The roughness value on wedging portion 11 and the surface of parallel portion 12 meets predetermined production standard.
Through the spline tooth broaching board 10 after PROCESS FOR TREATMENT of the invention, the surface of the first area 111 in its wedging portion 11 is coated with one
Layer particulate, increased the roughness on the surface of the first area 111 in wedging portion 11, it is ensured that the first area in wedging portion 11 111 pairs
When workpiece carries out turning to make work, workpiece is more easy to charging, it is ensured that workpiece is not in skid when carrying out and turn and make into wedging portion 11, with
And the service life that wedging portion 11 turns the precision and extension wedging portion 11 for making to workpiece can be improved；The second area in wedging portion 11
112 and parallel portion 12 surface by after the polishing of PVA emery wheels, greatly reducing the second area 112 in wedging portion 11
Turn friction during affected industry to workpiece with the region of parallel portion 12 so that the region is bright and clean to the dressing accuracy good stability of workpiece
Degree is high, and can extend the service life in the region, improves the production efficiency that spline tooth broaching board 10 turns to make to workpiece.
The present embodiment through the surface of the spline tooth broaching board 10 after blasting treatment test result as shown in Table 1.
Example IV.
As shown in figure 1, a kind of surface roughness handling process of spline tooth broaching board of the invention, comprises the following steps that：
（a）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 carries out cleaning treatment；
（b）Region division is carried out to wedging portion 11, first area 111 and second area 112 is respectively divided into；
（c）Second area 112 and parallel portion 12 to wedging portion 11 carry out smooth grinding treatment, by secondth area in wedging portion 11
The surface roughness of domain 112 and parallel portion 12 is ground to 1.4 μm；
（d）The second area 112 and parallel portion 12 in the wedging portion 11 after smooth grinding is processed are carried out using PVA emery wheels
Polishing, 0.75 μm is polished to by the surface roughness of the second area 112 in wedging portion 11 and parallel portion 12；
（d1）The surface of the second area 112 in wedging portion 11 and parallel portion 12 is covered；
（e）Blasting treatment is carried out to the surface of the first area 111 in wedging portion 11 using sand-blasting machine, sand-blasting machine is to wedging portion
The sand grains that 11 sandblasting of first area 111 is used is the ceramic powder that granularity is #24, wherein, the first area 111 in wedging portion 11
Tooth away from being more than 2.5mm, blasting pressure is 0.25MPa, and sandblasting distance is 200mm, a length of 2h during sandblasting；
（f）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 is cleared up.
Detected through surface roughometer, the second area 112 in wedging portion 11 and the roughness on the surface of parallel portion 12 are 0.75 μ
M, the roughness value is less than 1.0 μm；The roughness value on the surface of second area 112 in wedging portion 11 is 14 μm, and the roughness value exists
In 10 ~ 15 μ ms；The roughness value on wedging portion 11 and the surface of parallel portion 12 meets predetermined production standard.
Through the spline tooth broaching board 10 after PROCESS FOR TREATMENT of the invention, the surface of the first area 111 in its wedging portion 11 is coated with one
Layer particulate, increased the roughness on the surface of the first area 111 in wedging portion 11, it is ensured that the first area in wedging portion 11 111 pairs
When workpiece carries out turning to make work, workpiece is more easy to charging, it is ensured that workpiece is not in skid when carrying out and turn and make into wedging portion 11, with
And the service life that wedging portion 11 turns the precision and extension wedging portion 11 for making to workpiece can be improved；The second area in wedging portion 11
112 and parallel portion 12 surface by after the polishing of PVA emery wheels, greatly reducing the second area 112 in wedging portion 11
Turn friction during affected industry to workpiece with the region of parallel portion 12 so that the region is bright and clean to the dressing accuracy good stability of workpiece
Degree is high, and can extend the service life in the region, improves the production efficiency that spline tooth broaching board 10 turns to make to workpiece.
The present embodiment through the surface of the spline tooth broaching board 10 after blasting treatment test result as shown in Table 1.
Embodiment five.
As shown in figure 1, a kind of surface roughness handling process of spline tooth broaching board of the invention, comprises the following steps that：
（a）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 carries out cleaning treatment；
（b）Region division is carried out to wedging portion 11, first area 111 and second area 112 is respectively divided into；
（c）Second area 112 and parallel portion 12 to wedging portion 11 carry out smooth grinding treatment, by secondth area in wedging portion 11
The surface roughness of domain 112 and parallel portion 12 is ground to 1.7 μm；
（d）The second area 112 and parallel portion 12 in the wedging portion 11 after smooth grinding is processed are carried out using PVA emery wheels
Polishing, 0.85 μm is polished to by the surface roughness of the second area 112 in wedging portion 11 and parallel portion 12；
（d1）The surface of the second area 112 in wedging portion 11 and parallel portion 12 is covered；
（e）Blasting treatment is carried out to the surface of the first area 111 in wedging portion 11 using sand-blasting machine, sand-blasting machine is to wedging portion
The sand grains that 11 sandblasting of first area 111 is used is the ceramic powder that granularity is #24, wherein, the first area 111 in wedging portion 11
Tooth away from being more than 2.5mm, blasting pressure is 0.28MPa, and sandblasting distance is 200mm, a length of 2h during sandblasting；
（f）The surface of parallel portion 12 and wedging portion 11 to spline tooth broaching board 10 is cleared up.
Detected through surface roughometer, the second area 112 in wedging portion 11 and the roughness on the surface of parallel portion 12 are 0.85 μ
M, the roughness value is less than 1.0 μm；The roughness value on the surface of second area 112 in wedging portion 11 is 15 μm, and the roughness value exists
In 10 ~ 15 μ ms；The roughness value on wedging portion 11 and the surface of parallel portion 12 meets predetermined production standard.
Through the spline tooth broaching board 10 after PROCESS FOR TREATMENT of the invention, the surface of the first area 111 in its wedging portion 11 is coated with one
Layer particulate, increased the roughness on the surface of the first area 111 in wedging portion 11, it is ensured that the first area in wedging portion 11 111 pairs
When workpiece carries out turning to make work, workpiece is more easy to charging, it is ensured that workpiece is not in skid when carrying out and turn and make into wedging portion 11, with
And the service life that wedging portion 11 turns the precision and extension wedging portion 11 for making to workpiece can be improved；The second area in wedging portion 11
112 and parallel portion 12 surface by after the polishing of PVA emery wheels, greatly reducing the second area 112 in wedging portion 11
Turn friction during affected industry to workpiece with the region of parallel portion 12 so that the region is bright and clean to the dressing accuracy good stability of workpiece
Degree is high, and can extend the service life in the region, improves the production efficiency that spline tooth broaching board 10 turns to make to workpiece.
The present embodiment through the surface of the spline tooth broaching board 10 after blasting treatment test result as shown in Table 1.
Table one, the analysis test result of the spline tooth broaching board 10 that embodiment one to embodiment five is obtained：
.Can be learnt from above-mentioned table one, the second area 112 and the priority of parallel portion 12 to the wedging portion 11 of spline tooth broaching board 10 pass through
After smooth grinding and PVA polishings, the second area 112 in wedging portion 11 and the surface roughness of parallel portion 12 are below 1.0 μm；
And the first area 111 in the wedging portion 11 of spline tooth broaching board 10 through blasting pressure be 0.18 ~ 0.28Mpa, sandblasting distance be 150 ~ 200mm
And during sandblasting under conditions of a length of 1 ~ 2h after blasting treatment, its surface is coated with layer of particles so that the first of wedging portion 11
The roughness on the surface of region 111 increases to 10 ~ 15 μm；Through the spline tooth broaching board 10 that above-mentioned processing step is processed, it is ensured that enter to workpiece
When row turns to make work, workpiece is more easy to charging in the first area 111 in wedging portion 11, and ensures workpiece the first of the wedging portion 11
11 turns of region is not in skid when making, and at the polishing of the second area 112 and parallel portion 12 in wedging portion 11 by PVA emery wheels
After reason, improve the finish on the surface in the region, it is ensured that the region to workpiece finishing turn affected industry when stable accuracy, workpiece into
The screw thread finish of type is good.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to of the invention
Thought, will change in specific embodiments and applications, and this specification content should not be construed as to the present invention
Limitation.
Claims (8)
1. the surface roughness handling process of a kind of spline tooth broaching board, it is characterised in that comprise the following steps that：
（a）The surface of parallel portion and wedging portion to spline tooth broaching board carries out cleaning treatment；
（b）Region division is carried out to wedging portion, first area and second area is respectively divided into, the region that will be far from parallel portion is drawn
It is divided into first area, is second area near the region division of parallel portion；
（c）Second area and parallel portion to wedging portion carry out smooth grinding treatment, by the second area in wedging portion and parallel portion
Surface roughness is ground to 1.1 ~ 1.7 μm；
（d）The second area and parallel portion in the wedging portion after smooth grinding is processed are processed by shot blasting using PVA emery wheels, will
The second area in wedging portion and the surface roughness of parallel portion are polished to less than 1.0 μm；
（e）Blasting treatment is carried out to the surface of the first area in wedging portion using sand-blasting machine, by the table of the first area in wedging portion
Surface roughness increases to 10 ~ 15 μm；
（f）The surface of parallel portion and wedging portion to spline tooth broaching board is cleared up.
2. a kind of surface roughness handling process of spline tooth broaching board according to claim 1, it is characterised in that the step
（e）In, sand-blasting machine is 0.18 ~ 0.28MPa to the blasting pressure of the first area in wedging portion.
3. a kind of surface roughness handling process of spline tooth broaching board according to claim 1, it is characterised in that the step
（e）In, sand-blasting machine is 150 ~ 200mm to the sandblasting distance of the first area in wedging portion.
4. a kind of surface roughness handling process of spline tooth broaching board according to claim 1, it is characterised in that the step
（e）In, a length of 1 ~ 2h when sand-blasting machine is to the sandblasting of the first area in wedging portion.
5. a kind of surface roughness handling process of spline tooth broaching board according to claim 1, it is characterised in that the step
（e）In, the sand grains that first area sandblasting of the sand-blasting machine to wedging portion is used is the ceramic powder that granularity is #24.
6. a kind of surface roughness handling process of spline tooth broaching board according to claim 1, it is characterised in that the step
（f）In, the sand of the remained on surface in the wedging portion and parallel portion of spline tooth broaching board is blown away by the dry compressed air of air compressor
Grain.
7. the surface roughness handling process of a kind of spline tooth broaching board according to claim 1, it is characterised in that in the step
（d）Afterwards, step（e）Also include step before（d1）The surface of the second area in wedging portion and parallel portion is covered.
8. the surface roughness handling process of a kind of spline tooth broaching board according to claim 2, it is characterised in that when to tooth away from for
When the surface of the first area in the wedging portion of more than 2.5mm carries out sandblasting, blasting pressure is 0.22 ~ 0.28MPa.
Priority Applications (1)
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