CN104551263A - Method for machining large-pressure angle gears of different modules by using universal hobbing cutter - Google Patents
Method for machining large-pressure angle gears of different modules by using universal hobbing cutter Download PDFInfo
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Abstract
The invention discloses a method for machining large-pressure angle gears of different modules by using a universal hobbing cutter. The method is used for machining the gears by using the universal hobbing cutter, and mainly comprises the following steps: selecting the cutter; performing rough machining and tooth profile repair, wherein the selection of the cutter comprises the following steps: a, calculating base circle pitch deviation of the hobbing cutter and the machined gear; b, calculating theoretical module of the required common pressure angle hobbing cutter according to the module and the pressure angle of the machined gear and the pressure angle of the hobbing cutter, and selecting a common module close to the determined theoretical module according to the determined theoretical module; c, calculating gear machining tooth profile error according to the selected common module. By calculating the tooth profile error, the rough machining is performed on the gear by selecting the hobbing cutter in place of the conventional special cutter, and then the tooth profile of the gear is repaired and machined on a gear grinding machine, so the problem that a special cutter is not required for machining in gear machining is relieved, and the machining period of the machined gear is greatly shortened.
Description
Technical field
The invention belongs to gear machining technology field, specifically relate to a kind of method adopting general gear hobbing cutter to process different modulus large pressure angle gear.
Background technology
The application of roller gear in aero-engine field develops to the gear in large load, minor structure gradually, and the pressure angle of gear is increasing gradually, but the cutter of this kind of Gear Processing is all generally adopt dedicated tool processing.For improving fatigue resistance and the processing technology feasibility of gear, the root fillet of gear is bigger than normal, height of teeth root is bigger than normal, therefore, gear hobbing process for this gear needs dedicated tool usually, its processing method is: according to the special gear hobbing cutter of the parameter designing of Gear Processing, to uproot processing to gear.The deficiency of this processing method is adopted to be: in process, dedicated tool is needed to process, larger to the design difficulty of hobcutter, and the cycle of the Design and manufacture of cutter is longer, different processed gears needs to use different cutters, processed Gear Processing cost is high, and the process-cycle is long, and working (machining) efficiency is low.
Summary of the invention
For solving the problem, the invention provides a kind of method adopting general gear hobbing cutter to process different modulus large pressure angle gear.Thus solve the difficult problem needed existing for employing dedicated tool processing large pressure angle gear, shorten the processed Gear Processing cycle, improve processed Gear Processing efficiency.
The present invention is achieved by following technical solution.
Adopt general gear hobbing cutter to process a method for different modulus large pressure angle gear, mainly comprise the steps:
(1) gear hobbing cutter is selected: its concrete system of selection step is as follows:
The base pitch deviation of a, calculating gear hobbing cutter and processed gear;
The pressure angle of b, modulus, pressure angle and gear hobbing cutter according to processed gear calculates the theoretical modulus of required wirking pressure angle gear hobbing cutter, and selects a general modulus close with it according to determined theoretical modulus;
C, calculating Gear Processing profile error, when the base pitch deviation calculated in step a is less than 0.2, according to general modulus calculation Gear Processing profile error selected in step b;
(2) roughing: adopt the gear hobbing cutter selected in step (1) to carry out roughing to gear;
(3) profile of tooth reparation: the gear after roughing in step (2) is carried out profile of tooth reparation on gear grinding machines;
In described step (1), the computing formula of base pitch deviation is:
In formula: δ is base pitch deviation, M
partfor processed module, α
partfor processed pressure angle, M
cutterfor cutter module, α
cutterfor gear hobbing cutter pressure angle.
In described step (1), the theoretical modulus calculation formula of gear hobbing cutter is:
Get base pitch deviation δ=0, the theoretical modulus obtaining gear hobbing cutter is:
M
cutter=M
partcos α
part/ (cos α
cutter)
In formula: M
cutterfor the theoretical modulus of required gear hobbing cutter, M
partfor the modulus of processed gear, α is the pressure angle of selected gear hobbing cutter, α
partfor the pressure angle of processed gear.
The method calculating Errors in Gear Processing in described step (1) is as follows:
A, the theoretical tooth top width calculating gear and tooth root are wide, and concrete computing formula is as follows:
In formula: S is the reference circle transverse tooth thickness of gear, S
topfor the tooth top of gear is thick, S
rootfor the involute starting point diameter of gear, M is the modulus of machining gears, and Z is the number of teeth of gear, and α is the pressure angle of gear, α
topfor the tooth top pressure angle of gear, α
rootfor the involute starting point pressure angle of gear;
B, to calculate the rolling cut knuckle-tooth of gear thick, and after the modulus changing gear hobbing cutter and pressure angle, under the condition that the reference circle transverse tooth thickness of machining gears is constant, the thick computing formula of rolling cut knuckle-tooth of gear is:
In formula: S
rollfor the rolling cut circular diameter of processed gear processed by hobcutter, α
cutterfor the pressure angle of cutter;
C, calculate adopt gear hobbing cutter to process the gear teeth top width after processed gear and tooth root wide, its computing formula is:
In formula: the tooth top that S' top processes gear for gear hobbing cutter is thick, S '
rootthe transverse tooth thickness of the involute starting point of gear is processed, M for gear hobbing cutter
cutterfor cutter module.
D, thick and tooth root is thick according to back-geared tooth top before the employing hobcutter processing obtained in step a and step c, the deviation θ that tooth top is thick and tooth root is thick calculating gear is respectively:
θ
top=S '
top-S
top
θ
root=S '
root-S
root
In formula: θ
topfor the transverse tooth thickness deviation of tooth top, θ
rootfor the transverse tooth thickness deviation of tooth root involute starting point.
It is 14 ° ~ 30 ° that said method is applicable to pressure angle, and tooth root radius of circle of uprooting is the Gear Processing of 0.3mm ~ 1.5m.
The invention has the beneficial effects as follows:
Compared with prior art, the present invention is by calculating profile error, gear hobbing cutter is selected to replace traditional dedicated tool to carry out roughing to gear, again gear is carried out Repair gene to profile of tooth on gear grinding machines, to alleviate the difficult problem without dedicated tool processing in Gear Processing, shorten the processed Gear Processing cycle; Particularly for the Gear Processing at special excess pressure angle.Adopt in this way in the development of product machine, the design of cutter, manufacturing cycle and process-cycle can be substantially reduced, improve working (machining) efficiency simultaneously, reduce processing cost.Through actual processing and application attestation, the process-cycle of certain type gear shortens more than 60%.The tool expense of single-piece saves more than 5000 yuan.There is good business efficiency and social efficiency, can in gear machining technology field wide popularization and application.
Detailed description of the invention
Technical scheme of the present invention is further described below in conjunction with embodiment, but described in claimed scope is not limited to.
Adopt general gear hobbing cutter to process a method for different modulus large pressure angle gear, mainly comprise the steps:
(1) gear hobbing cutter is selected: its concrete system of selection step is as follows:
The base pitch deviation of a, calculating gear hobbing cutter and processed gear;
The pressure angle of b, modulus, pressure angle and gear hobbing cutter according to processed gear calculates the theoretical modulus of required wirking pressure angle gear hobbing cutter, and selects a general modulus close with it according to determined theoretical modulus;
C, calculating Gear Processing profile error, when the base pitch deviation calculated in step a is less than 0.2, according to general modulus calculation Gear Processing profile error selected in step b;
(2) roughing: adopt the gear hobbing cutter selected in step (1) to carry out roughing to gear; Specifically utilize selected general gear hobbing cutter method routinely on gear-hobbing machine to carry out gear hobbing process, the control 0.35mm larger than the transverse tooth thickness of technological requirement of gear tooth thickness, for roll flute reparation;
(3) profile of tooth reparation: the gear after roughing in step (2) is carried out profile of tooth reparation on gear grinding machines; Its method carries out roll flute processing to the gear after roughing on gear grinding machines, and the one-sided surplus of roll flute processing is not more than 0.2mm.
In described step (1), the computing formula of base pitch deviation is:
δ=π × [(M
part× cos α
part)-(M
cutter× cos α
cutter)] ... 1.
In formula: δ is base pitch deviation, M
partfor processed module, α
partfor processed pressure angle, M
cutterfor cutter module, α
cutterfor gear hobbing cutter pressure angle.
In described step (1), the theoretical modulus calculation formula of gear hobbing cutter is:
Get base pitch deviation δ=0, the theoretical modulus obtaining gear hobbing cutter is:
M
cutter=M
partcos α
part/ (cos α
cutter) ... 2.
In formula: M
cutterfor the theoretical modulus of required gear hobbing cutter, M
partfor the modulus of processed gear, α is the pressure angle of selected gear hobbing cutter, α
partfor the pressure angle of processed gear.
The method calculating Errors in Gear Processing in described step (1) is as follows:
A, the theoretical tooth top width calculating gear and tooth root are wide, and concrete computing formula is as follows:
In formula: S is the reference circle transverse tooth thickness of gear, S
topfor the tooth top of gear is thick, S
rootfor the involute starting point diameter of gear, M is the modulus of machining gears, and Z is the number of teeth of gear, and α is the pressure angle of gear, α
topfor the tooth top pressure angle of gear, α
rootfor the involute starting point pressure angle of gear;
B, to calculate the rolling cut knuckle-tooth of gear thick, and after the modulus changing gear hobbing cutter and pressure angle, under the condition that the reference circle transverse tooth thickness of machining gears is constant, the thick computing formula of rolling cut knuckle-tooth of gear is:
In formula: S
rollfor the rolling cut circular diameter of processed gear processed by hobcutter, α
cutterfor the pressure angle of cutter;
C, calculate adopt gear hobbing cutter to process the gear teeth top width after processed gear and tooth root wide, its computing formula is:
In formula: S'
topthe tooth top processing gear for gear hobbing cutter is thick, S '
rootthe transverse tooth thickness of the involute starting point of gear is processed, M for gear hobbing cutter
cutterfor cutter module.
D, thick and tooth root is thick according to back-geared tooth top before the employing hobcutter processing obtained in step a and step c, the deviation θ that tooth top is thick and tooth root is thick calculating gear is respectively:
θ
top=S '
top-S
top8.
θ
root=S '
root-S
root9.
In formula: θ
topfor the transverse tooth thickness deviation of tooth top, θ
rootfor the transverse tooth thickness deviation of tooth root involute starting point, the impact of deviation θ on gear-profile shape of transverse tooth thickness only has half, and the form error of gear is θ/2.
The pressure angle of the general gear hobbing cutter of travelling gear normally 20 °, suppose during formula 1. base pitch deviation δ=0, then can extrapolate the modulus calculation formula close with 20 ° of pressure angle gear hobbing cutters is:
M
cutter=Pb/ (π × cos α
part) ... 10.
In formula: Pb is the base pitch of gear, and its computing formula is:
Pb=π × (M × cos α
part)
When the deviation θ value that the tooth top of described gear is thick and tooth root is thick is less than 0.4, gear is carried out profile of tooth reparation on gear grinding machines.
If when the deviation θ value that the tooth top of described gear is thick and tooth root is thick is less than 0.04, directly carry out Gear Processing, do not need to repair profile of tooth.
It is 14 ° ~ 30 ° that said method is applicable to pressure angle, tooth root radius of circle of uprooting is the Gear Processing of 0.3mm ~ 1.5m, technique scheme when gear grinder repairs profile of tooth, as long as θ value is less than 0.4, tooth-formation of gear error only has 0.2, and roll flute adds easily to be repaired man-hour; If θ is too large, just compares in the roll flute processing of gear and be difficult to repair, the more little reparation more easily realizing profile of tooth of θ value.If θ value is less than 0.04, just directly can carry out the processing of gear, not need to repair profile of tooth.
Analytical calculation is carried out by technique scheme, can draw and adopt the gear hobbing cutter of different modulus and pressure angle to carry out roughing to the special gear of required processing, finally repair by the flank profil of gear grinding machines to gear again, thus reach and do not need dedicated tool also can to special gear, roughing can be carried out to the gear before carburizing simultaneously.Not only decrease the ordering cost of dedicated tool, also shorten the process-cycle of processed gear, reach the processed Gear Processing realizing new machine at short notice and the object completing processed Gear Processing in a short time.
Below in conjunction with embodiment, technical solution of the present invention is further described:
Embodiment one:
The number of teeth of processed gear is 23, and modulus is 2.25, and pressure angle is 27.50 °, and transverse tooth thickness is 3.86mm, and tip diameter is 56.65mm, and the initial circular diameter of involute is 48.2mm, and root diameter is 45.45mm; Tooth fillet radius is 0.7mm ~ 1mm.Traditional processing method adopts modulus M to be 2.25, pressure angle α is that the special gear hobbing cutter of 27.5 ° is processed gear, larger to the design difficulty of special gear hobbing cutter in process, and the cycle of the Design and manufacture of cutter is longer, cause processed Gear Processing cost higher, working (machining) efficiency is low.Adopt method of the present invention to process this gear, only general gear hobbing cutter need be selected can to process gear, reduce processing cost, substantially increase working (machining) efficiency.Adopt general gear hobbing cutter of the present invention to add man-hour to this gear, the selection step of its general gear hobbing cutter is as follows:
(1) base pitch of gear is calculated according to base pitch computing formula as follows:
The pressure angle of the general gear hobbing cutter of travelling gear normally 20 °, 10. can extrapolate the modulus close with 20 ° of pressure angle gear hobbing cutters according to above-mentioned computing formula is:
M
cutter=Pb/ (π × cos α
part)=6.2699/ (π × cos27.5 °)=2.124
According to above-mentioned calculating can select modulus close to 2.12 gear hobbing cutter processing calculate.By searching, selected DP12 pressure angle is that the gear hobbing cutter general made in Great Britain of 20 ° is processed gear.The pressure angle α of gear hobbing cutter DP12 made in Great Britain is 20 °, and modulus M is 2.1167.
(2) base pitch deviation is checked, and adopts above-mentioned formula 1. to carry out base pitch deviation to gear and checks as follows:
Be far smaller than 0.2 by calculating δ value above, the gear hobbing cutter substitute that general gear hobbing cutter DP12 therefore can be selected to carry out gear is carried out processing and is calculated.
(3) tooth thickness error of carrying out gear calculates;
3. the theoretical tooth top involute starting point transverse tooth thickness that is thick and tooth root portion, 4. calculating gear according to above-mentioned computing formula is respectively:
According to above-mentioned computing formula 5., the rolling cut knuckle-tooth that can calculate gear is thick as follows:
6., 7. can calculate the tooth top processing gear involute starting point transverse tooth thickness that is thick and tooth root portion to be respectively according to above-mentioned computing formula;
As from the foregoing, the thick deviation of tooth top of gear is 0.153, and one-sided deviation is 0.0764, and the thick deviation in effective tooth root place of gear is 0.06, and one-sided deviation is 0.03.
Calculated by the processing of gear, can draw and select the special gear hobbing cutter of the substitute of general gear hobbing cutter to process gear, the flank profil of machining gears is exactly mainly that the thick deviation of tooth top of gear is within 0.15.Cutter substitute can be realized completely.
By the actual processing to part, when roll flute processing is repaired, the reparation surplus of the flank of tooth is very little, and the flank of tooth obtains reparation easily.
Embodiment two:
The number of teeth of processed gear is 57, and modulus is 2.25, and pressure angle is 27.50 °, and transverse tooth thickness is 3.86mm, and tip diameter is 132.7mm, and the initial circular diameter of involute is 124.3mm, and tooth fillet radius is 0.7mm ~ 1mm.Traditional processing method adopts modulus M to be 2.25, pressure angle α is that the special gear hobbing cutter of 27.5 ° is processed gear, larger to the design difficulty of special gear hobbing cutter in process, and the cycle of the Design and manufacture of cutter is longer, cause processed Gear Processing cost higher, working (machining) efficiency is low.Adopt method of the present invention to process this gear, only general gear hobbing cutter need be selected can to process gear, reduce processing cost, substantially increase working (machining) efficiency.Adopt general gear hobbing cutter of the present invention to add man-hour to this gear, the selection step of its general gear hobbing cutter is as follows:
(1) base pitch of gear is calculated according to base pitch computing formula as follows:
The pressure angle of the general gear hobbing cutter of travelling gear normally 20 °, 10. can extrapolate the modulus close with 20 ° of pressure angle gear hobbing cutters according to above-mentioned computing formula is:
M
cutter=Pb/ (π × cos α
part)=6.2699/ (π × cos27.5 °)=2.124
According to above-mentioned calculating can select modulus close to 2.12 gear hobbing cutter processing calculate.By searching, selected DP12 pressure angle is that the gear hobbing cutter general made in Great Britain of 20 ° is processed gear.The pressure angle α of gear hobbing cutter DP12 made in Great Britain is 20 °, and modulus M is 2.1167.
(2) base pitch deviation is checked, and adopts above-mentioned formula 1. to carry out base pitch deviation to gear and checks as follows:
Be far smaller than 0.2 by calculating δ value above, the gear hobbing cutter substitute that general gear hobbing cutter DP12 therefore can be selected to carry out gear is carried out processing and is calculated.
(3) tooth thickness error of carrying out gear calculates;
3. the theoretical tooth top involute starting point transverse tooth thickness that is thick and tooth root portion, 4. calculating gear according to above-mentioned computing formula is respectively:
According to above-mentioned computing formula 5., the rolling cut knuckle-tooth that can calculate gear is thick as follows:
6., 7. can calculate the tooth top processing gear involute starting point transverse tooth thickness that is thick and tooth root portion to be respectively according to above-mentioned computing formula;
As from the foregoing, the thick deviation of tooth top of gear is 0.3, and one-sided deviation is 0.15, and the thick deviation in effective tooth root place of gear is 0.205, and one-sided deviation is 0.103.
Calculated by the processing of gear, can draw and select the special gear hobbing cutter of the substitute of general gear hobbing cutter to process gear, the flank profil of machining gears is exactly mainly that the thick deviation of tooth top of gear is within 0.15.Cutter substitute can be realized completely.
By the actual processing to part, when roll flute processing is repaired, the reparation surplus of the flank of tooth is very little, and the flank of tooth obtains reparation easily.
Embodiment three:
The number of teeth of processed gear is 16, and modulus is 1.25, and pressure angle is 30 °, and transverse tooth thickness is 1.91mm, and tip diameter is 21.5mm, and the initial circular diameter of involute is 18.25mm, and tooth fillet radius is 0.3max.Traditional processing method adopts modulus M to be 1.25, pressure angle α is that the special gear hobbing cutter of 30 ° is processed gear, larger to the design difficulty of special gear hobbing cutter in process, and the cycle of the Design and manufacture of cutter is longer, cause processed Gear Processing cost higher, working (machining) efficiency is low.Adopt method of the present invention to process this gear, only general gear hobbing cutter need be selected can to process gear, reduce processing cost, substantially increase working (machining) efficiency.Adopt general gear hobbing cutter of the present invention to add man-hour to this gear, the selection step of its general gear hobbing cutter is as follows:
(1) base pitch of gear is calculated according to base pitch computing formula as follows:
The pressure angle of the general gear hobbing cutter of travelling gear normally 30 °, 10. can extrapolate the modulus close with 30 ° of pressure angle gear hobbing cutters according to above-mentioned computing formula is 1.25;
Therefore spline gear hobbing cutter made in Great Britain can be selected to process, and DP30 pressure angle made in Great Britain is that the general spline gear hobbing cutter of 30 ° can be processed.The modulus M of gear hobbing cutter DP20 made in Great Britain is 1.27;
(2) base pitch deviation is checked, and adopts above-mentioned formula 1. to carry out base pitch deviation to gear and checks as follows:
Be far smaller than 0.2 by calculating δ value above, the gear hobbing cutter substitute that general gear hobbing cutter DP12 therefore can be selected to carry out gear is carried out processing and is calculated.
(3) tooth thickness error of carrying out gear calculates;
3. the theoretical tooth top involute starting point transverse tooth thickness that is thick and tooth root portion, 4. calculating gear according to above-mentioned computing formula is respectively:
According to above-mentioned computing formula 5., the rolling cut knuckle-tooth that can calculate gear is thick as follows:
6., 7. can calculate the tooth top processing gear involute starting point transverse tooth thickness that is thick and tooth root portion to be respectively according to above-mentioned computing formula;
As from the foregoing, the thick deviation of tooth top of gear is 0.14, and one-sided deviation is 0.07, and the thick deviation in effective tooth root place of gear is 0.088, and one-sided deviation is 0.044.
Calculated by the processing of gear, can draw and select the special gear hobbing cutter of the substitute of general gear hobbing cutter to process gear, the flank profil of machining gears is exactly mainly that the thick deviation of tooth top of gear is within 0.007.Cutter substitute can be realized completely.
By the actual processing to part, when roll flute processing is repaired, the reparation surplus of the flank of tooth is very little, and the flank of tooth obtains reparation easily.
Claims (5)
1. adopt general gear hobbing cutter to process a method for different modulus large pressure angle gear, it is characterized in that: mainly comprise the steps:
(1) gear hobbing cutter is selected: its concrete system of selection step is as follows:
The base pitch deviation of a, calculating gear hobbing cutter and processed gear;
The pressure angle of b, modulus, pressure angle and gear hobbing cutter according to processed gear calculates the theoretical modulus of required wirking pressure angle gear hobbing cutter, and selects a general modulus close with it according to determined theoretical modulus;
C, calculating Gear Processing profile error, when the base pitch deviation calculated in step a is less than 0.2mm, according to general modulus calculation Gear Processing profile error selected in step b;
(2) roughing: adopt the gear hobbing cutter selected in step (1) to carry out roughing to gear;
(3) profile of tooth reparation: the gear after roughing in step (2) is carried out profile of tooth reparation on gear grinding machines.
2. a kind of method adopting general gear hobbing cutter to process different modulus large pressure angle gear according to claim 1, is characterized in that: in described step (1), the computing formula of base pitch deviation is:
δ=π × [(M
part× cos α
part)-(M
cutter× cos α
cutter)]
In formula: δ is base pitch deviation, M
partfor processed module, α
partfor processed pressure angle, M
cutterfor cutter module, α
cutterfor gear hobbing cutter pressure angle.
3. a kind of method adopting general gear hobbing cutter to process different modulus large pressure angle gear according to claim 1, is characterized in that: in described step (1), the theoretical modulus calculation formula of gear hobbing cutter is:
Get base pitch deviation δ=0, the theoretical modulus obtaining gear hobbing cutter is:
M
cutter=M
partcos α
part/ (cos α
cutter)
In formula: M
cutterfor the theoretical modulus of required gear hobbing cutter, M
partfor the modulus of processed gear, α is the pressure angle of selected gear hobbing cutter, α
partfor the pressure angle of processed gear.
4. a kind of method adopting general gear hobbing cutter to process different modulus large pressure angle gear according to claim 1, is characterized in that: the method calculating Errors in Gear Processing in described step (1) is as follows:
A, the theoretical tooth top width calculating gear and tooth root are wide, and concrete computing formula is as follows:
In formula: S is the reference circle transverse tooth thickness of gear, S
topfor the tooth top of gear is thick, S
rootfor the involute starting point diameter of gear, M is the modulus of machining gears, and Z is the number of teeth of gear, and α is the pressure angle of gear, α
topfor the tooth top pressure angle of gear, α
rootfor the involute starting point pressure angle of gear;
B, to calculate the rolling cut knuckle-tooth of gear thick, and after the modulus changing gear hobbing cutter and pressure angle, under the condition that the reference circle transverse tooth thickness of machining gears is constant, the thick computing formula of rolling cut knuckle-tooth of gear is:
In formula: S
rollfor the rolling cut circular diameter of processed gear processed by hobcutter, α
cutterfor the pressure angle of cutter;
C, calculate adopt gear hobbing cutter to process the gear teeth top width after processed gear and tooth root wide, its computing formula is:
In formula: S'
topthe tooth top processing gear for gear hobbing cutter is thick, S '
rootthe transverse tooth thickness of the involute starting point of gear is processed, M for gear hobbing cutter
cutterfor cutter module.
D, thick and tooth root is thick according to back-geared tooth top before the employing hobcutter processing obtained in step a and step c, the deviation θ that tooth top is thick and tooth root is thick calculating gear is respectively:
θ
top=S '
top-S
top
θ
root=S '
root-S
root
In formula: θ
topfor the transverse tooth thickness deviation of tooth top, θ
rootfor the transverse tooth thickness deviation of tooth root involute starting point.
5. a kind of method adopting general gear hobbing cutter to process different modulus large pressure angle gear according to claim 1, is characterized in that: it is 14 ° ~ 30 ° that described method is applicable to pressure angle, and tooth root radius of circle of uprooting is the Gear Processing of 0.3mm ~ 1.5m.
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|---|---|---|---|
| CN201410770727.8A CN104551263A (en) | 2014-12-15 | 2014-12-15 | Method for machining large-pressure angle gears of different modules by using universal hobbing cutter |
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|---|---|---|---|
| CN201410770727.8A CN104551263A (en) | 2014-12-15 | 2014-12-15 | Method for machining large-pressure angle gears of different modules by using universal hobbing cutter |
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| CN109909560A (en) * | 2019-04-10 | 2019-06-21 | 益阳康益机械发展有限公司 | A kind of barreling wheel and its design method |
| CN114654030A (en) * | 2022-04-06 | 2022-06-24 | 泰尔重工股份有限公司 | Gear hobbing cutter model selection method |
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| CN109909560A (en) * | 2019-04-10 | 2019-06-21 | 益阳康益机械发展有限公司 | A kind of barreling wheel and its design method |
| CN114654030A (en) * | 2022-04-06 | 2022-06-24 | 泰尔重工股份有限公司 | Gear hobbing cutter model selection method |
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