Power Grip Cluth ATD 330 Inventory Parts Classification

1

Drive ring

W30-40-103

42CrMo alloy steel with quenching and tempering treatment (hardness HRC 32-38)

1. Abrasive wear caused by long-term meshing with other transmission components under high torque; 2. Fatigue cracking due to alternating stress during frequent clutch engagement and disengagement

1. Regularly check the meshing clearance between the drive ring and matching parts (maintain 0.15-0.25mm); 2. Avoid frequent violent clutch engagement, and ensure the clutch is fully disengaged during shifting

2

Friction disc

B20-07-900

Sintered copper-based friction material (surface); 10# steel (core plate)

1. Severe wear of the friction surface caused by long-term high-temperature friction during clutch engagement; 2. Deformation of the core plate due to uneven heating

1. Control the clutch engagement frequency to avoid continuous high-temperature operation (surface temperature ≤ 350℃); 2. Regularly check the flatness of the friction disc (allowable deviation ≤ 0.1mm), and replace if deformed

3

HUB

W3001123M1

Stainless steel 304 (for corrosion resistance) with keyway quenching

1. Wear of the keyway caused by torque transmission and relative movement with the shaft; 2. Corrosion caused by humid environment and oil contamination

1. Ensure the fit between the hub and the shaft is interference fit (0.01-0.03mm); 2. Regularly clean the hub surface and apply anti-corrosion grease, avoiding contact with corrosive media

1

Spring, wave

W30-33-101

65Mn spring steel with shot peening treatment

1. Fatigue relaxation caused by long-term continuous compression, resulting in reduced elastic force; 2. Corrosion and rust caused by oil and humid environment

1. Regularly check the elastic force of the wave spring (maintain within 80-120% of the rated elastic force); 2. Use anti-rust oil compatible with the clutch oil to avoid corrosion

2

Pressure plate

W31-03-100

HT300 high-strength cast iron with surface grinding

1. Deformation caused by long-term high-temperature baking and uneven pressure; 2. Wear of the pressure surface caused by friction with the friction disc

1. Regularly check the flatness of the pressure plate (allowable deviation ≤ 0.05mm); 2. Avoid overheating of the clutch, and clean the pressure surface of carbon deposits regularly

3

Center plate

W30-11-100

45# carbon steel with quenching and tempering treatment

1. Wear caused by friction with the floating plate during clutch operation; 2. Bending deformation caused by improper installation

1. Ensure the center plate is installed concentrically with the clutch shaft (coaxiality error ≤ 0.02mm); 2. Regularly check the wear amount of the center plate, and replace if the wear exceeds 0.3mm

4

Floating plate

W31-11-100

Stainless steel 304 with smooth surface treatment

1. Wear caused by axial movement and friction during clutch engagement and disengagement; 2. Corrosion caused by oil contamination and humid environment

1. Apply a thin layer of molybdenum disulfide lubricant on the surface of the floating plate to reduce friction; 2. Regularly replace the clutch oil and clean the floating plate surface

5

ATHP

W31-02-100

Aluminum alloy 6061 with anodizing treatment

1. Deformation caused by excessive pressure during clutch operation; 2. Wear of the matching surface caused by relative movement

1. Strictly control the clutch working pressure within the rated range; 2. Check the matching surface of the ATHP for scratches regularly, and polish if necessary

1

Hexagon Bolts

X20-08-008

8.8-grade alloy steel (40Cr) with galvanized coating (complying with ISO 898-1)

1. Thread wear and loosening caused by long-term mechanical vibration; 2. Corrosion and rust caused by humid environment and oil immersion

1. Use lock washers and apply anti-loosening glue during installation; 2. Regularly check the tightness of the bolts with a torque wrench, and replace corroded bolts in time

2

SHCS (Socket Head Cap Screw)

X20-05-008

12.9-grade alloy steel (35CrMo) with black oxide treatment

1. Screw head wear caused by improper use of tools during disassembly and assembly; 2. Fatigue fracture caused by alternating load

1. Use a socket wrench that matches the screw head size to avoid slipping; 2. Conduct non-destructive testing every 1500 operating hours to check for fatigue cracks

3

Pin, Slotted

X20-11-001

45# carbon steel with quenching treatment

1. Wear of the pin surface caused by relative movement with the matching hole; 2. Bending deformation caused by improper installation force

1. Ensure the fit between the pin and the hole is clearance fit (0.01-0.02mm); 2. Use a proper installation tool to tap the pin into place, avoiding excessive force

4

Washer Lock

X20-28-530

65Mn spring steel with surface oxidation treatment

1. Deformation and loss of locking function caused by excessive pressure; 2. Wear of the contact surface caused by vibration

1. Select washers of matching specifications, and do not stack multiple washers; 2. Replace the lock washers every time the fasteners are disassembled

5

SHIM

W30-09-100

65Mn spring steel with precision grinding

1. Deformation caused by uneven pressure; 2. Wear caused by repeated disassembly and adjustment

1. Use shims of appropriate thickness to ensure uniform pressure distribution; 2. Handle shims with care during disassembly and assembly, avoiding bending or scratching

6

Back plate

W3001103M1

Q235B carbon steel with anti-corrosion coating

1. Deformation caused by external impact during transportation or operation; 2. Corrosion caused by long-term contact with oil and dust

1. Use protective packaging during transportation, and avoid collision during on-site operation; 2. Clean the back plate surface regularly, and touch up the anti-corrosion coating every 6 months

1

Air tube

W31-20-901

Nylon tube with polyurethane coating (pressure resistance ≥ 1.6MPa)

1. Aging and cracking caused by long-term exposure to high temperature and sunlight; 2. Wear and leakage caused by friction with other components

1. Avoid installing the air tube in high-temperature areas (operating temperature ≤ 80℃) and direct sunlight; 2. Use protective sleeves at the friction points between the air tube and other components

2

Hose kit

W30-89-101

Fluororubber hose (inner layer); stainless steel 304 braided layer (reinforcement)

1. Internal wear caused by impurity particles in the compressed air; 2. Joint leakage caused by improper installation

1. Install an air filter at the inlet of the pneumatic system to remove impurities; 2. Tighten the hose joints with a torque wrench (torque 8-12 N·m), and check for air leakage regularly