Rubber Shock-Absorbing Spring Vulcanizing Machine, Industrial Buffer Spring Manufacturing Machine

A Rubber Shock-Absorbing Spring Vulcanizing Machine is specialized equipment designed for manufacturing rubber-based vibration isolation and damping components, particularly rubber shock-absorbing springs (also called rubber suspension springs, anti-vibration mounts, or rubber isolators). These are widely used in automotive, industrial machinery, rail transportation, and construction for noise and vibration control.

Key Features of the Machine

1. Precision Vulcanization

   • Uses heated platens (typically 150–200°C) and high pressure to ensure uniform curing of rubber compounds.

   • Adjustable temperature, pressure, and time settings for different rubber types (NR, NBR, EPDM, CR, etc.).

2. Mold Compatibility

   • Supports multi-cavity molds for batch production.

   • Can produce springs in various shapes (cylindrical, conical, barrel-shaped).

3. Automation Options

   • Semi-automatic or fully automatic models available for high-volume production.

   • Hydraulic or pneumatic pressure systems for consistent force application.

4. Post-Processing

   • Some machines include trimming/deflashing units to remove excess rubber.

Products Manufactured with This Machine

The machine primarily produces rubber-metal bonded shock absorbers and related components, such as:

1. Automotive Applications

• Engine mounts (vibration isolation for cars, trucks, and motorcycles).

• Suspension bushings (control arm bushings, strut mounts).

• Transmission mounts.

• Exhaust hangers (rubber isolators to reduce noise).

2. Industrial Machinery

• Vibration isolation pads for pumps, compressors, and generators.

• Railway damping springs (for train bogies and track systems).

• HVAC system mounts (to reduce fan and compressor vibrations).

3. Construction & Infrastructure

• Bridge bearing pads (seismic isolation).

• Building anti-vibration mounts (for elevators, heavy equipment).

4. Consumer & Electronics

• Washing machine dampers (reduce spin cycle vibrations).

• Refrigerator compressor mounts.

Rubber Materials Used

Production Process Overview

1. Material Prep – Rubber compound mixed with additives (carbon black, sulfur, accelerators).

2. Preforming – Rubber cut/pre-shaped to fit the mold.

3. Loading – Metal inserts (if needed) placed into the mold.

4. Vulcanization – Mold heated & pressurized (typically 5–20 minutes depending on thickness).

5. Demolding & Finishing – Excess rubber trimmed, parts inspected.

Advantages of Using a Dedicated Vulcanizing Machine

✔ Consistent quality – Uniform curing ensures durability.
✔ High production speed – Batch processing possible.
✔ Customizable – Adjustable for different rubber grades and geometries.
✔ Strong bonding – Rubber-to-metal adhesion (if inserts are used).

This type of machine is essential for manufacturers supplying automotive OEMs, industrial equipment producers, and construction firms requiring high-performance rubber damping solutions.

Which rubber products can use vulcanizers:
Vulcanizers (including flat vulcanizers, injection vulcanizers, vacuum vulcanizers, etc.) are key equipment for the production of rubber products. They are mainly used for compression vulcanization and are suitable for the production of various rubber products (natural rubber, nitrile rubber, silicone rubber, EPDM, fluororubber, etc.). The following is a detailed classification of rubber products that can be produced by the vulcanizer:

1. Sealing products

O-rings (NBR, FKM, EPDM, etc.)

Oil seals (shaft oil seals, hole oil seals)

Gaskets/sealing pads (flange gaskets, oil-resistant pads, asbestos rubber pads)

Door and window seals (EPDM seals for automobiles and buildings)

Hydraulic seals (U-rings, Y-rings, V-rings)

Pneumatic seals (cylinder seals, piston seals)

Bottle plugs (medical butyl rubber plugs, chemical bottle plugs)

2. Shock-absorbing and buffering products
Shock-absorbing pads (mechanical equipment shock-absorbing pads, elevator shock-absorbing pads)

Rubber springs (locomotive shock-absorbing springs, industrial buffer springs)

Rubber bushings (automobile suspension bushings, mechanical connecting rod bushings)

Shock-absorbing foot pads (electronic equipment shock-absorbing feet, home appliance shock-absorbing pads)

Buffer blocks (automobile shock-absorbing pads, home appliance shock-absorbing pads) car bumper buffer block, punch buffer block)

III. Industrial transmission and conveying products
V-belt (V-belt) (industrial transmission belt)

Synchronous belt (toothed belt) (precision machinery transmission belt)

Flat belt (rubber flat belt for conveyor)

Conveyor belt (rubber conveyor belt for mining and food industry)

Rubber roller (rubber-coated roller for printing machine and paper machine)

IV. Automotive rubber accessories
Automobile tire (partial vulcanization process)

Brake cup/membrane (brake system rubber parts)

Engine suspension rubber pad

Exhaust pipe hanging ear

Wiper rubber strip

Automobile door and window sealing strip

Water tank hose joint

V. Medical and food grade rubber products
Medical silicone tube (infusion tube, urinary catheter)

Pacifier (food grade silicone pacifier)

Medical bottle stopper (vaccine bottle stopper, infusion bottle stopper)

Food conveyor belt (FDA compliant Standard rubber belt)

Kitchen silicone pad (high temperature baking pad)

VI. Electronic and electrical rubber parts
Keyboard conductive rubber (remote control key contact)

Cable joint sealing sleeve (waterproof insulating rubber sleeve)

Electrical insulation gasket (rubber insulation parts for high-voltage equipment)

Mobile phone shockproof pad (shock-absorbing silicone pad)

VII. Daily and consumer goods
Rubber soles (sports shoes, rain shoe soles)

Erasers (rubber erasers for stationery)

Rubber gloves (industrial gloves, household gloves)

Hot water bottle (natural rubber hot water bottle)

Yoga mat (foam rubber pad)

Rubber toys (bouncy ball, rubber duck)

VIII. Construction and engineering rubber
Bridge bearing rubber pad (anti-seismic buffer)

Expansion joint sealing strip (building waterproof seal)

Rubber water stop (underground engineering waterproof)

Rubber floor (anti-slip wear-resistant mat)

IX. Special Special-purpose rubber products
Oil-resistant rubber parts (oilfield equipment seals)

High-temperature resistant silicone parts (aerospace seals)

Antistatic rubber sheets (for electronic workshops)

Rubber molds (for casting or molding other materials)

Applicable rubber materials for vulcanizers
Natural rubber (NR): high elasticity, used for tires and shock absorbers

Nitrile rubber (NBR): oil-resistant, used for seals and oil seals

Silicone rubber (VMQ): high temperature resistance, used for medical and food-grade products

EPDM rubber: aging-resistant, used for automotive sealing strips and building waterproofing

Fluororubber (FKM): chemical corrosion resistance, used for high-end seals

Summary
Rubber products that can be produced by vulcanizers cover seals, shock absorbers, transmission belts, automotive accessories, medical products, electronic components, daily necessities and other fields, and are suitable for compression molding, hot pressing vulcanization and other processes. Different vulcanizers (such as flat vulcanizers and injection vulcanizers) are suitable for different products, and the specific choice depends on the product size, complexity, and output requirements.