GB/T 28673-2012The technical specifications for remanufacturing of automotive components - Starter (English PDF)

4.1 Dismantling

4.1.1

starter disassembly should be consistent with the provisions of GB/T 28675.

4.1.2

starter disassembled into. armature assembly, the stator assembly, drive cap assembly, solenoid switch assembly, one-way assembly or reducer assembly,

Rear cover, brush holder assembly, middle cover assembly and other parts.

4.2 Classification

4.2.1

starter classification should be consistent with the provisions of GB/T 28676.

4.2.2

In the remanufacturing process the following parts should be updated.

a) Bushing;

b) rubber parts;

c) plastic parts.

4.2.3

The following parts are recommended for update during the remanufacturing process.

a) brush b) spring;

c) bearing;

d) Main fasteners.

4.3 cleaning

4.3.1

Starter cleaning should be consistent with the provisions of GB/T 28677.

4.3.2

For excitation coils, electromagnetic switches and other components selected appropriate solution for cleaning.

4.3.3

cover for the aluminum parts, after cleaning the surface for shot peening; end cover is cast iron parts, after cleaning the surface for painting or spray coating or plating deal with.

4.3.4

Rotor Assembly Select the appropriate solution for cleaning.

4.4.5

stator assembly selected appropriate solvent for cleaning, cleaning the stator assembly shell surface paint, spray or plating.

5.1 Armature assembly

5.1.1

Detection of the armature assembly of the iron core size should be consistent with the requirements of the product drawings, the iron core should have no traces of rubbing.

5.1.2

Detection of armature assembly shaft diameter and the geometric accuracy of the gear parts, does not meet the requirements of the product drawings should be repaired.

5.1.3

Detection armature assembly commutator surface wear, repair armature assembly commutator surface.

5.1.4

commutator surface ablation should be repaired, can not be repaired should be used to update pieces.

5.1.5

Detection of armature assembly withstand voltage, short circuit, dynamic balance and other performance, pressure, short circuit unqualified should be repaired, so that the dynamic balance of parameters to achieve production

Product drawings requirements.

5.2 stator assembly

5.2.1

Detection of the stator assembly diameter size, size and beating the shell size, should be consistent with the provisions of the product drawings requirements.

5.2.2

Detection of excitation coil voltage, short circuit and other performance, unqualified should be repaired and insulated, and should be consistent with product supply and demand sides of technology

The requirements of the agreement.

5.2.3

Check the arcuate surface magnetic pole damage, the use of coating repair, and shall comply with the requirements of product drawings.

5.2.4

Inspection stator assembly shell bore size, unqualified should be repaired, and shall comply with the requirements of product drawings. Before assembly

Anti-rust treatment.

5.3 Cover

5.3.1

Test the size of the end cap installation, qualified party can be used for subsequent processes.

5.3.2

Inspection End cap bearing bore diameter, does not meet the requirements of product drawings shall be repaired.

5.3.3

Flange face cover for repair processing, and in accordance with the provisions of the product drawings requirements.

5.3.4

gauges used to measure the size of screw holes, unqualified should be repaired to meet the requirements of the product drawings, or with the same size screw

Thread screw or bolt insertion device for repair.

5.3.5

Pre-assembly of the end cap rust treatment.

5.4 electromagnetic switch

5.4.1

Check the damage and appearance of the electromagnetic switch, if necessary, to repair, can not be repaired with the update, the appearance should be consistent with product drawings to

Seeking the rules.

5.4.2

Electromagnetic switch suction characteristics, pull-in voltage and release voltage, over travel and other characteristics should be consistent with the provisions of QC/T 731-2005.

5.4.3

Detection of electromagnetic switch contact ablation or damage, if necessary, be repaired, can not be repaired with the update.

5.4.4

Detection of electromagnetic switch cover damage, can not be repaired using the update.

5.4.5

Detecting the size and wear of the movable iron core of the electromagnetic switch, the repair shall not be carried out if the requirements of the product drawings are not met.

5.5 One-way device

5.5.1

Check the unidirectional housing damage, grinding and repair.

5.5.2

Check the unidirectional bearing hole diameter, using fine boring technology to repair.

5.5.3

Check sleeve size of the unidirectional device shall comply with the requirements of the product drawings, unqualified for repair, can not be repaired

Update 5.5.4 Detecting the size of the inner raceway of the unidirectional device shall comply with the requirements of the product drawings, and the unqualified ones shall be repaired and the unchangeable ones shall be adopted

New item.

5.5.5

Check the wear or damage, size and beating of the gear unit of the unidirectional gear assembly shall not be more than the requirements of the product drawing

New item.

5.6 brush holder

Inspecting the withstand voltage performance of the brush holder, the geometric precision of the brush holder, and the requirements of the product drawings, the unqualified ones are repaired.

5.7 Planet carrier assembly

5.7.1

Detection of planetary carrier assembly shaft size and beating, spline size and beating, should be consistent with the requirements of the product drawings, unqualified repair.

5.7.2

Test planet carrier assembly pin size, unqualified for repair.

5.8 cover

Detection of the outer lid size is consistent with the provisions of the product drawings requirements, does not meet the repair or the use of new pieces. Before assembling the middle cover

Anti-rust treatment

5.9 Other parts

5.9.1

Detection of planetary gear wear or damage, does not meet the requirements of product drawings require the use of updates.

5.9.2

Detection of ring gear wear or damage does not meet the requirements of the product drawings require the use of updates.

5.9.3

Detection fork size should comply with the requirements of product drawings, unqualified should be repaired.

5.9.4

If the condition of other parts affects the performance of the starter, it should be disassembled, tested, repaired or replaced if necessary.

6.1

Fastener assembly sequence and torque should be consistent with product drawings.

6.2

Assembly, the detection of starter armature axial play clearance, pull the gap, shape, installation dimensions, should be consistent with product drawings requirements.

6.3

starter assembly should meet the GB/T 28679 requirements.

6.4

In accordance with the QC/T 731-2005 marked on the shell starter model, voltage and power, production serial number and so on.

7.1

remanufacturing starter test environment conditions should be consistent with the provisions of 4.5 of QC/T 731-2005.

7.2

Remanufacturing The starter performance test shall comply with the provisions of Chapter 4 and Chapter 5 of QC/T 731-2005. The project shall include.

a) appearance, installation dimensions and fastener torque;

b) rated working hours;

c) working performance (no-load performance, load performance, rated power and power characteristics, braking performance);

d) noise;

e) speeding f) insulation voltage performance;

g) Degree of protection;

h) electromagnetic switch performance;

i) One-way clutch performance;

j) High and low temperature start-up test.

7.3

Durability test According to QC/T 731-2005 5.17,5.18 and 5.19 requirements.

7.4

Remanufacturing The starter shall withstand 6,000 no-load durability tests after the test parts should not crack, damage and other phenomena, the starter power characteristics

Allow 10% less than the initial value.

7.5

gasoline starter should withstand 20,000 times the durability test bench. Diesel starters should withstand 16,000 times of bench durability test. through

After the bench test, the starter power characteristics allow a 15% drop from the initial value. The starter should withstand 600 brake durability tests. test

After the one-way clutch without damage, the armature shaft, the output shaft, other gear without damage or deformation.

8.1 factory inspection

8.1.1

After assembly of the starter according to QC/T 277 and QC/T 731-2005 for the following tests.

a) Factory performance test.

b) Installation dimensions, fastener torque and visual inspection.

8.1.2

The factory acceptance of the starter shall comply with the requirements of GB/T 28678.

8.2 type test

8.2.1

The type test shall be conducted under any of the following conditions.

a) Remanufacturing starter before mass production;

b) Remanufacturing starter resume production after two years of shutdown;

c) After significant changes in the remanufacturing process.

8.2.2

Type test According to the provisions of 6.2 of QC/T 731-2005, the type test items shall be in accordance with the provisions of 7.2.

9.1

Remanufacturing after Completion The starter shall adopt the necessary measures against dust, corrosion and other physical damage.

9.2

Remanufacturing The starter package shall be marked with a remanufactured product mark.

9.3

Other packaging requirements should be consistent with the provisions of GB/T 28678.

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