Oil-Free Graphite Slide Plates: Application Cases in Mechanical Moulds
Oil-Free Graphite Slide Plates: Application Cases in Mechanical Moulds
Discover our plain bearings: Flange bearings, sleeve bushings, and thrust washers. Customizable bushing materials available. Our products are wear-resistant, maintenance-free, and designed to withstand dirt, dust, and corrosion.
Oil-Free Graphite Slide Plates: Application Cases in Mechanical Moulds
Oil-free graphite slide plates are bronze-based bearings embedded with solid lubricants such as graphite, offering self-lubrication, low friction, high-temperature resistance, and maintenance-free operation. They are widely used in stamping dies, PET preform moulds (bottle blanks), and injection moulds, particularly in high-load, low-speed, and dry-friction environments. These components help reduce lubricant contamination, extend mould life, and minimize downtime.
Based on real-world engineering cases from metal forming, plastic processing, and automotive manufacturing, here’s a detailed summary of their application in various mould types:
1. Stamping Die Applications
In stamping dies, oil-free graphite slide plates are commonly used in guide rails, guide pins, and cam slides, providing precise linear motion control while preventing contamination from lubricants, which is crucial for automotive and electronic component production. Typical materials include C86300 manganese bronze or high-strength brass, with graphite inserts covering 20–30% of the surface.
| Case | Application Details | Advantages & Results | Reference |
|---|---|---|---|
| Automotive Body Stamping Dies (NAAMS Standard) | Used as guide plates and wear pads, supporting linear sliding under heavy loads (>5000 PSI) for precision stamping operations | Self-lubricating, reduces friction, high-temperature resistant (>200°C), maintenance costs reduced by 40%; avoids contamination, extends mould life 2–3× | Automotive Stamping Industry Standard |
| Heavy-Duty Press Cam Guides | L-shaped graphite slides (L-Gibs) control punch and stripper movement in steel stamping cams | Corrosion and impact resistant, reduces wear, increases production efficiency by 20%; downtime reduced by 50% in a manufacturer case | Heavy Load Stamping Application |
| Continuous Casting & Stamping Lines | Sliding bearings support high-speed reciprocating motion of rollers and shears in metallurgical stamping equipment | High load capacity, wear-resistant, suitable for high-temperature dry environments; bearing replacement interval extended to 18 months in a steel plant case | Metallurgy & Stamping Combined Application |
2. PET Preform (Bottle Blank) Mould Applications
In PET preform moulds, oil-free graphite slide plates are used for mould opening/closing and sidewall guidance, preventing lubricant contamination of food-grade plastic products. Aluminum bronze is commonly used, suitable for high-frequency, cyclical operations.
| Case | Application Details | Advantages & Results | Reference |
|---|---|---|---|
| PET Bottle Preform Blow Moulds | Sidewall sliding support in blow moulds; graphite inserts serve as linear bearings supporting expansion/contraction, load up to 2000 PSI | Self-lubricating prevents contamination, high-temperature resistant (up to 280°C); mould cycle increased 30%, maintenance-free in beverage packaging plant | Plastic Blow Mould Application |
| High-Speed Preform Injection-Blow Moulding Machines | Guide plates for pins and slides, ensuring precise positioning and demoulding | Low friction reduces vibration, improves production precision; downtime reduced 25% on billion-unit per year production line | Integrated Bottle Blow Equipment |
| Large PET Container Moulds | Wear plates support sidewall sliding, handle thermal expansion stress | Corrosion-resistant, self-lubricating, extends mould life; reduced lubrication-related failures, improved cleanroom standards in pharmaceutical bottle production | Container Forming Case |
3. Injection Mould Applications
In injection moulds, oil-free graphite slide plates are primarily used in guide pillars, slides, and ejector pin systems, ensuring smooth mould opening under high-pressure injection while preventing oil contamination of precision components (e.g., medical or electronic parts). Common materials include CuSn7Zn4Pb7 gunmetal, with 25% graphite embedment.
| Case | Application Details | Advantages & Results | Reference |
|---|---|---|---|
| Precision Injection Mould Guide Systems | Graphite bushings and slides guide rotational shafts and linear pins in medical device moulds | Self-lubricating ensures clean production, high-temperature and high-load resistant; 99.5% dimensional accuracy maintained, service life >100,000 cycles in electronics mould plant | Injection Guide Application |
| Automotive Component Injection Moulds | Sliding pads for mould clamping and extrusion mechanisms, supporting high-frequency operations (hundreds of cycles per minute) | Low maintenance, reduced frictional heat; production efficiency increased 15% with no lubricant contamination in automotive supplier case | Automotive Injection Case |
| Food-Grade Injection Moulds | Oil-free bearings for ejector blocks and slides, controlling demoulding motion | Anti-bacterial, corrosion-resistant, self-lubricating to meet hygiene standards; reduced cleaning downtime, 20% increase in output in packaging plant | Food Injection Application |
Key Advantages of Oil-Free Graphite Slide Plates
-
Friction coefficient: <0.1
-
Temperature range: -40°C to 300°C
-
Load capacity: up to 250 MPa
-
Reduces maintenance and contamination risk
-
Ideal for precision, high-load, dry-friction applications
Selection Tips: Choose plates based on mould dimensions, load, speed, and environmental conditions. Custom features like oil grooves or positioning holes can be added for optimization.
Additional Support: CAD drawings, supplier quotes, and specific case details are available for engineering customization and performance optimization.
Unit: mm
| JSP PLATE | W | L | A | B | C | D | E | HOLES | |
| JSP-1875 | 18 | 75 | 15 | 45 | M6 | 2 | |||
| JSP-18100 | 100 | 25 | 60 | ||||||
| JSP-18125 | 125 | 75 | |||||||
| JSP-18150 | 150 | 100 | |||||||
| JSP-2875 | 28 | 75 | 15 | 45 | |||||
| JSP-28100 | 100 | 25 | 50 | ||||||
| JSP-28125 | 125 | 75 | |||||||
| JSP-28150 | 150 | 100 | |||||||
| JSP-35100 | 35 | 100 | 20 | 60 | M8 | ||||
| JSP-35150 | 150 | 55 | 55 | 3 | |||||
| JSP-35200 | 200 | 55 | 50 | 55 | 4 | ||||
| JSP-35250 | 250 | 70 | 70 | 70 | 4 | ||||
| JSP-35300 | 300 | 65 | 65 | 65 | 65 | 5 | |||
| JSP-35350 | 350 | 80 | 75 | 75 | 80 | 5 | |||
| JSP-3875 | 38 | 75 | 15 | 45 | M6 | 2 | |||
| JSP-38100 | 100 | 25 | 50 | ||||||
| JSP-38125 | 125 | 75 | |||||||
| JSP-38150 | 150 | 100 | |||||||
| JSP-4875 | 48 | 75 | 15 | 45 | |||||
| JSP-48100 | 100 | 25 | 50 | ||||||
| JSP-48125 | 125 | 75 | |||||||
| JSP-48150 | 150 | 100 | |||||||
| JSP-50100 | 50 | 100 | 20 | 60 | M8 | ||||
| JSP-50150 | 150 | 55 | 55 | 3 | |||||
| JSP-50200 | 200 | 55 | 50 | 55 | 4 | ||||
| JSP-50250 | 250 | 70 | 70 | 70 | 4 | ||||
| JSP-50300 | 300 | 65 | 65 | 65 | 65 | 5 | |||
| JSP-50400 | 400 | 90 | 90 | 90 | 90 | 5 | |||
| JSP-75150 | 75 | 150 | 110 | 4 | |||||
| JSP-75200 | 200 | 80 | 80 | 6 | |||||
| JSP-75250 | 250 | 105 | 105 | 6 | |||||
| JSP-75300 | 300 | 85 | 90 | 85 | 8 | ||||
| JSP-75400 | 400 | 120 | 120 | 120 | 8 | ||||
| JSP-75500 | 500 | 115 | 115 | 115 | 115 | 10 |
| Standard No | W | L | a | b | Sketch |
| oilless wear plate -18*50 | 18 | 50 | – | 20 | A |
| oilless wear plate -18*75 | 75 | 45 | |||
| oilless wear plate -18*100 | 100 | 70 | |||
| oilless wear plate -18*150 | 150 | 60 | B | ||
| oilless wear plate -28*50 | 28 | 50 | – | 20 | A |
| oilless wear plate -28*75 | 75 | 45 | |||
| oilless wear plate -28*100 | 100 | 70 | |||
| oilless wear plate -28*150 | 150 | 60 | B | ||
| oilless wear plate -38*50 | 38 | 50 | – | 20 | A |
| oilless wear plate -38*75 | 75 | 45 | |||
| oilless wear plate -38*100 | 100 | 70 | |||
| oilless wear plate -38*150 | 150 | 60 | B | ||
| oilless wear plate -48*75 | 48 | 75 | – | 45 | A |
| oilless wear plate -48*100 | 100 | 70 | |||
| oilless wear plate -48*125 | 125 | 95 | |||
| oilless wear plate -48*150 | 150 | 60 | B | ||
| oilless wear plate -75*75 | 75 | 75 | 45 | 45 | C |
| oilless wear plate -75*100 | 100 | 70 | |||
| oilless wear plate -75*125 | 125 | 95 | |||
| oilless wear plate -75*150 | 150 | 60 | D | ||
| oilless wear plate -100*100 | 100 | 100 | 70 | 70 | C |
| oilless wear plate -100*125 | 125 | 95 | |||
| oilless wear plate -100*150 | 150 | 60 | D |
INDUSTRIES WE WORK WITHIN
Cheers!
We offer a range of bronze wear plate, oil-free graphite wear plate services to below industries: WIND,OIL & GAS,INDUSTRIAL, SOLAR, HANDLING & LIFTING EQUIPMENT
Browse our Services for Custom Bearings,
Plain Bearings in Various Industries
