CN104858625A - Processing technique for rear axle housing axle tube of automobile - Google Patents

Processing technique for rear axle housing axle tube of automobile Download PDF

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Publication number
CN104858625A
CN104858625A CN201510314608.6A CN201510314608A CN104858625A CN 104858625 A CN104858625 A CN 104858625A CN 201510314608 A CN201510314608 A CN 201510314608A CN 104858625 A CN104858625 A CN 104858625A
Authority
CN
China
Prior art keywords
reaming
central siphon
processing
axle housing
processing technology
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
CN201510314608.6A
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Chinese (zh)
Inventor
刘登发
尤华胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengyang Fengshun Automobile Axle Co Ltd
Original Assignee
Hengyang Fengshun Automobile Axle Co Ltd
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 Hengyang Fengshun Automobile Axle Co Ltd filed Critical Hengyang Fengshun Automobile Axle Co Ltd
Priority to CN201510314608.6A priority Critical patent/CN104858625A/en
Publication of CN104858625A publication Critical patent/CN104858625A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12Torque-transmitting axles
    • B60B35/16Axle housings

Abstract

The invention discloses a processing technique for a rear axle housing axle tube of an automobile. The processing technique for the rear axle housing axle tube of the automobile includes the processing technique that A, blanking a seamless steel pipe, wherein the diameter of the outer circle of the seamless steel pipe is 80, the wall thickness is 5 millimeters, the length is 393 to 417 millimeters, and the material is 16 Mn or 20# steel; B, processing one end of the axle tube, to be specific, cutting interior angle, wherein the interior hole is 70*15 in diameter, and the length is 391 to 415 millimeters; C, placing the unprocessed end of the tube in a broaching die to perform broaching forming; D, processing the broached end of the axle tube as required, wherein the size is 389 to 413.5 millimeters, and the concentricity of the two ends is 0.1 millimeters. The processing technique for the rear axle housing axle tube of the automobile is capable of effectively improving the product precision, the concentricity of the two ends is good, the production cost is low, the applicability is strong, and the production efficiency is high.

Description

A kind of vehicle rear-axle housing central siphon processing technology
Technical field
The present invention relates to machining processing technology, especially a kind of vehicle rear-axle housing central siphon processing technology.
Background technology
Vehicle rear-axle housing central siphon is the important spare part on rear axle of automobile chassis assembly, it is made by seamless steel pipe, because central siphon one end needs to be connected with ring flange, the other end needs to be connected with axle housing middle piece, therefore fit dimension precision is processed higher, two ends concentricity is 0.1mm, is difficult to reach technical requirement.
Summary of the invention
The object of this invention is to provide a kind of vehicle rear-axle housing central siphon processing technology, can effectively improve the quality of products, two ends axiality is good, and production cost is low, and applicability is strong, and production efficiency is high.
Technical scheme of the present invention is: a kind of vehicle rear-axle housing central siphon processing technology, and it comprises following processing technology:
A, be the seamless steel pipe blanking of ф 80 to foreign round, wall thickness is 5mm, and length is 393 ~ 417mm, Material selec-tion 16Mn or 20# steel.
B, processing central siphon one: interior angle, ensure hole size ф 70X15, ensure length 391 ~ 415mm.
C, a unprocessed head tube material put in reaming mould and carries out reaming-forming.
Central siphon one after D, on request processing reaming, ensures size 389 ~ 413.5mm; Two ends concentricity is 0.1mm.
Further, the equipment choice G4022 sawing machine in described blanking procedure, ensure during sawing machine blanking that both sides perpendicularity is 0.5mm, during blanking, tolerance is ± 0.5mm.
Further, the bearing tolerances of described processing one end is 0.2mm, and end face squareness is 0.5mm, and end chamfer is 2X45 °, and endoporus and surface roughness are 6.3, selection of machining equipment engine lathe C1260.
Further, described reaming mould selects equipment to be 500 tons of hydraulic presses, the Center of Pressure of reaming mould should with the center superposition of hydraulic press, the total length of reaming one end is 150mm, and in after reaming, hole size is ф 72mm, and one end wall thickness after reaming is minimum is 4.8mm.
Further, described central siphon other end selection of machining equipment numerically controlled lathe, makespan degree tolerance grade is ± 0.2mm, and end chamfer is 4X45 °, and end face inner bore is ф 73X1.5, and end face processing roughness is 12.5.
The invention has the beneficial effects as follows: adopt above-mentioned explained hereafter, Product Precision is easy to ensure, two ends are same
Axle degree is good, with short production cycle, and production cost is low, and security reliability is good, and production efficiency is high, in the production of like product, have application value.
Detailed description of the invention
embodiment 1:
A kind of vehicle rear-axle housing central siphon processing technology, it comprises following processing technology:
A, be the seamless steel pipe blanking of ф 80 to foreign round, wall thickness is 5mm, and length is 393mm, Material selec-tion 16Mn.
B, processing central siphon one: interior angle, ensure hole size ф 70X15, ensure length 391mm.
C, a unprocessed head tube material put in reaming mould and carries out reaming-forming.
Central siphon one after D, on request processing reaming, ensure size 389mm, two ends concentricity is 0.1mm.
Equipment choice G4022 sawing machine in described blanking procedure, ensure during sawing machine blanking that both sides perpendicularity is 0.5mm, during blanking, tolerance is+0.5mm.
The bearing tolerances of described processing one end is 0.2mm, and end face squareness is 0.5mm, and end chamfer is 2X45 °, and endoporus and surface roughness are 6.3, selection of machining equipment engine lathe C1260.
Described reaming mould selects equipment to be 500 tons of hydraulic presses, the Center of Pressure of reaming mould should with the center superposition of hydraulic press, the total length of reaming one end is 150mm, and in after reaming, hole size is ф 72mm, and one end wall thickness after reaming is minimum is 4.8mm.
Described central siphon other end selection of machining equipment numerically controlled lathe, makespan degree tolerance grade is ± 0.2mm, and end chamfer is 4X45 °, and end face inner bore is ф 73X1.5, and end face processing roughness is 12.5.
embodiment 2:
A kind of vehicle rear-axle housing central siphon processing technology, it comprises following processing technology:
A, be the seamless steel pipe blanking of ф 80 to foreign round, wall thickness is 5mm, and length is 417mm, Material selec-tion 16Mn.
B, processing central siphon one: interior angle, ensure hole size ф 70X15, ensure length 415mm.
C, a unprocessed head tube material put in reaming mould and carries out reaming-forming.
Central siphon one after D, on request processing reaming, ensures size 413.5mm; Two ends concentricity is 0.1mm.
Equipment choice G4022 sawing machine in described blanking procedure, ensure during sawing machine blanking that both sides perpendicularity is 0.5mm, during blanking, tolerance is+0.5mm.
The bearing tolerances of described processing one end is 0.2mm, and end face squareness is 0.5mm, and end chamfer is 2X45 °, and endoporus and surface roughness are 6.3, selection of machining equipment engine lathe C1260.
Described reaming mould selects equipment to be 500 tons of hydraulic presses, the Center of Pressure of reaming mould should with the center superposition of hydraulic press, the total length of reaming one end is 150mm, and in after reaming, hole size is ф 72mm, and one end wall thickness after reaming is minimum is 4.8mm.
Described central siphon other end selection of machining equipment numerically controlled lathe, makespan degree tolerance grade is ± 0.2mm, and end chamfer is 4X45 °, and end face inner bore is ф 73X1.5, and end face processing roughness is 12.5.
embodiment 3:
A kind of vehicle rear-axle housing central siphon processing technology, it comprises following processing technology:
A, be the seamless steel pipe blanking of ф 80 to foreign round, wall thickness is 5mm, and length is 393mm, Material selec-tion 20# steel material.
B, processing central siphon one: interior angle, ensure hole size ф 70X15, ensure length 391mm.
C, a unprocessed head tube material put in reaming mould and carries out reaming-forming.
Central siphon one after D, on request processing reaming, ensures size 389mm; Two ends concentricity is 0.1mm.
Equipment choice G4022 sawing machine in described blanking procedure, ensure during sawing machine blanking that both sides perpendicularity is 0.5mm, during blanking, tolerance is-0.5mm.
The bearing tolerances of described processing one end is 0.2mm, and end face squareness is 0.5mm, and end chamfer is 2X45 °, and endoporus and surface roughness are 6.3, selection of machining equipment engine lathe C1260.
Described reaming mould selects equipment to be 500 tons of hydraulic presses, the Center of Pressure of reaming mould should with the center superposition of hydraulic press, the total length of reaming one end is 150mm, and in after reaming, hole size is ф 72mm, and one end wall thickness after reaming is minimum is 4.8mm.
Described central siphon other end selection of machining equipment numerically controlled lathe, makespan degree tolerance grade is ± 0.2mm, and end chamfer is 4X45 °, and end face inner bore is ф 73X1.5, and end face processing roughness is 12.5.
embodiment 4:
A kind of vehicle rear-axle housing central siphon processing technology, it comprises following processing technology:
A, be the seamless steel pipe blanking of ф 80 to foreign round, wall thickness is 5mm, and length is 417mm, Material selec-tion 20# steel material.
B, processing central siphon one: interior angle, ensure hole size ф 70X15, ensure length 415mm.
C, a unprocessed head tube material put in reaming mould and carries out reaming-forming.
Central siphon one after D, on request processing reaming, ensures size 413.5mm; Two ends concentricity is 0.1mm.
Equipment choice G4022 sawing machine in described blanking procedure, ensure during sawing machine blanking that both sides perpendicularity is 0.5mm, during blanking, tolerance is-0.5mm.
The bearing tolerances of described processing one end is 0.2mm, and end face squareness is 0.5mm, and end chamfer is 2X45 °, and endoporus and surface roughness are 6.3, selection of machining equipment engine lathe C1260.
Described reaming mould selects equipment to be 500 tons of hydraulic presses, the Center of Pressure of reaming mould should with the center superposition of hydraulic press, the total length of reaming one end is 150mm, and in after reaming, hole size is ф 72mm, and one end wall thickness after reaming is minimum is 4.8mm.
Described central siphon other end selection of machining equipment numerically controlled lathe, makespan degree tolerance grade is ± 0.2mm, and end chamfer is 4X45 °, and end face inner bore is ф 73X1.5, and end face processing roughness is 12.5.
A kind of vehicle rear-axle housing central siphon processing technology provided by the invention; to those skilled in the art, multiple technical scheme can be derived according to its design, complete identical object; but every all technical schemes under this design are all within the protection domain of the claims in the present invention.

Claims (5)

1. a vehicle rear-axle housing central siphon processing technology, is characterized in that: it comprises following processing technology:
A, be the seamless steel pipe blanking of ф 80 to foreign round, wall thickness is 5mm, and length is 393 ~ 417mm, Material selec-tion 16Mn or 20# steel;
B, processing central siphon one: interior angle, ensure hole size ф 70X15, ensure length 391 ~ 415;
C, a unprocessed head tube material put in reaming mould and carries out reaming-forming;
Central siphon one after D, on request processing reaming, ensures size 389 ~ 413.5mm; Two ends concentricity is 0.1mm.
2. a kind of vehicle rear-axle housing central siphon processing technology according to claim 1, is characterized in that: the equipment choice G4022 sawing machine in described blanking procedure, and ensure during sawing machine blanking that both sides perpendicularity is 0.5mm, during blanking, tolerance is ± 0.5mm.
3. a kind of vehicle rear-axle housing central siphon processing technology according to claim 1, it is characterized in that: the bearing tolerances of described processing one end is 0.2mm, and end face squareness is 0.5mm, and end chamfer is 2X45 °, endoporus and surface roughness are 6.3, selection of machining equipment engine lathe C1260.
4. a kind of vehicle rear-axle housing central siphon processing technology according to claim 1, it is characterized in that: described reaming mould selects equipment to be 500 tons of hydraulic presses, the Center of Pressure of reaming mould should with the center superposition of hydraulic press, the total length of reaming one end is 150mm, in after reaming, hole size is ф 72mm, and one end wall thickness after reaming is minimum is 4.8mm.
5. a kind of vehicle rear-axle housing central siphon processing technology according to claim 1, it is characterized in that: described central siphon other end selection of machining equipment numerically controlled lathe, makespan degree tolerance grade is ± 0.2mm, end chamfer is 4X45 °, end face inner bore is ф 73X1.5, and end face processing roughness is 12.5.
CN201510314608.6A 2015-06-10 2015-06-10 Processing technique for rear axle housing axle tube of automobile Pending CN104858625A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510314608.6A CN104858625A (en) 2015-06-10 2015-06-10 Processing technique for rear axle housing axle tube of automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510314608.6A CN104858625A (en) 2015-06-10 2015-06-10 Processing technique for rear axle housing axle tube of automobile

Publications (1)

Publication Number Publication Date
CN104858625A true CN104858625A (en) 2015-08-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510314608.6A Pending CN104858625A (en) 2015-06-10 2015-06-10 Processing technique for rear axle housing axle tube of automobile

Country Status (1)

Country Link
CN (1) CN104858625A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107175468A (en) * 2017-05-30 2017-09-19 胡建锋 A kind of processing technology of hollow drive shaft
CN110524205A (en) * 2018-05-23 2019-12-03 上海航浩汽车零部件有限公司 Camshaft central siphon and its manufacturing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107175468A (en) * 2017-05-30 2017-09-19 胡建锋 A kind of processing technology of hollow drive shaft
CN110524205A (en) * 2018-05-23 2019-12-03 上海航浩汽车零部件有限公司 Camshaft central siphon and its manufacturing method

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C06 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150826

WD01 Invention patent application deemed withdrawn after publication