Thermoset & Friction Presses
HEMSUN ENGG. INDUSTRIES engineers specialized Thermoset & Friction Presses for automotive brake pads, clutch facings, and thermoset composites at our Dahegam (Gujarat) facility. Explore press capacities and tooling options below.
Working principle and engineering architecture
Equipped with multi-step degassing (breathing) decompression logic, the press opens fractions of a millimeter during the curing phase to vent volatile resin vapors and entrapped moisture, preventing internal blistering and delamination cracks in heavy friction blocks.
High platen temperatures up to 250°C are maintained using deep-gun-drilled thermal platens fitted with multi-zone cartridge heaters and PID microprocessor controllers. Multi-cavity sliding tables move the lower die out of the pressing zone automatically, enabling fast manual or robotic powder charging and part ejection under clean ergonomic conditions.
Types & Configurations We Build
Sizing and capacity calculations
Thermoset & Friction Presses delivers precise multi-stage hydraulic force and digital temperature control up to 250°C for compression moulding of brake pads, brake linings, clutch buttons, resin-bonded grinding wheels, Bakelite, melamine tableware, and SMC/DMC composite parts.
Sizing & Tonnage Calculations:
Press force is calculated from total cavity area multiplied by material-specific moulding pressure (typically 200 to 450 kg/cm² for semi-metallic friction materials and 150 to 300 kg/cm² for Bakelite/melamine):
Formula: Tonnage (Ton) = (Cavity Area in cm² × Moulding Pressure in kg/cm² / 1000) × 1.20 Safety Factor
Technical specifications and machine parameters
| Parameter / Specification | Standard Range / Feature |
|---|---|
| Equipment Category | Thermoset & Friction Presses (Thermoset & Friction Series HSF) |
| Capacity Range | 50 Ton to 600 Ton Standard (Custom to 1,000 Ton) |
| Platen Working Area | 400 × 400 mm up to 1,200 × 1,200 mm electrically heated |
| Maximum Platen Temp | Up to 250°C with Multi-Zone Digital PID Temperature Controllers |
| Degassing / Breathing | 1 to 5 Programmable Micro-Breathing Cycles via Touchscreen PLC |
| Hydraulic Drive | Variable Piston Pump with Proportional Pressure & Flow Regulation |
| Safety Systems | Category-4 Optical Light Curtains, Dual Anti-Tie-Down Palm Buttons |
| Manufacturing Origin | Manufactured & Tested in Dahegam, Gandhinagar, Gujarat, India |
Material compatibility and engineering metallurgy
- Semi-Metallic & Ceramic Friction Mixes: Aramid fiber, graphite, copper powder, and phenolic resin formulations for automotive brake pads.
- Resin-Bonded Abrasives: Aluminum oxide and silicon carbide grains bonded with liquid/powder phenolic resins for grinding wheels.
- Bakelite & Phenolic Moulding Compounds: Wood-flour and mineral filled phenolic resins for electrical switchgear and heat-resistant handles.
- Melamine Formaldehyde: Cellulose-filled thermoset powder for durable tableware, trays, and electrical insulators.
- SMC / BMC / DMC Composites: Sheet and bulk moulding glass-fiber reinforced polyester compounds for automotive and electrical enclosures.
Procurement and tooling selection guide
Key selection parameters for friction & thermoset moulding:
- Platen Temperature Uniformity: Cartridge-heated platens with multi-zone PID controllers maintaining ±2°C up to 250°C.
- Programmable Degassing: 1 to 5 micro-breathing cycles with adjustable dwell seconds.
- Multi-Cavity Sliding Tables: Left-right shuttle tables for ergonomic exterior powder loading and part ejection.
- Die Metallurgy: Vacuum-hardened AISI D2/H13 tool steel with wear-resistant hard chrome plating.
Testing, inspection and global commissioning
HEMSUN ENGG. INDUSTRIES validates all friction and thermoset presses with continuous 8-hour thermal soak and witness pressing of customer formulations before dispatch.
Frequently Asked Questions
What does HEMSUN list under Thermoset & Friction Presses?
Browse Thermoset & Friction Presses from HEMSUN, India — compression moulding machines, PTFE parts, hydraulic presses, tooling and custom OEM/ODM.
Can I request a quote from the Thermoset & Friction Presses catalog page?
Yes. Use the contact page or RFQ buttons on detail pages. Include part drawing, size list, or machine tonnage target so our engineering team can respond with scope and lead time.
Does HEMSUN export products listed in Thermoset & Friction Presses?
Yes. IEC-registered export documentation is available for qualified orders worldwide. Domestic buyers receive GST invoice and standard dispatch documentation.