High-Performance As0900 Pneumatic Brake System for Industrial Punch Presses

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High-Performance As0900 Pneumatic Brake System for Industrial Punch Presses

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Product Description

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Basic Information

Model NO.

AS0900 / AS0250

Working Mode

Continuous

Installation

Vertical

Power Source

Pneumatic

Max Speed

1250 rpm

Weight

126kg

HS Code

8483600090

Usage

Paper, Packing, Ship, Elevator, Forging Machinery

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Product Manual & Overview

The AS0256 / AS0250 Dry Multi-Disc Pneumatic Clutch Brake is meticulously crafted for high-torque applications, including punch presses, die-cutting machines, and forging equipment. Designed for high performance within compact spatial dimensions, it uses asbestos-free materials and pneumatic control for swift, precise operation.

Outer Diameter

535 mm

Clutch Torque

6800 N·m (Single Disc)

Braking Torque

5750 N·m (Single Disc)

Torque Boost

Up to 13600 N·m (Dual Disc)

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Structure and Working Principle

Core Components

Includes clutch body, piston, brake spring, friction plates, clutch ear plate, and brake ear plate. It connects to the spindle via a flat key for efficient torque transmission.

Working Process

Engagement: Compressed air enters the cylinder, moving the piston to compress the brake spring and unite friction plates.
Braking: Air supply disconnection triggers the spring reset, reversing the piston to press plates against the brake disc for rapid stopping.

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Technical Features

High Efficiency: Compact design for high-speed, high-frequency applications.
Heat Resistance: Advanced composite friction plates withstand temperatures up to 350°C.
Safety: Asbestos-free materials for environmental compliance and silent operation.
Easy Maintenance: Friction plates can be replaced without disassembling the entire clutch body.

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Technical Specifications

Parameter	Specification
Working Air Pressure	5.5 ~ 6.0 kg/cm²
Friction Plate Lifespan	≥ 500,000 cycles
Operating Temperature	-20ºC ~ +150ºC
Response Time	≤ 0.02 seconds
Spindle Tolerance	Bore H7 / Surface Ra1.6

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Maintenance and Troubleshooting

Fault	Possible Cause	Solution
Clutch fails to engage	Low air pressure / Solenoid valve failure	Increase air pressure or replace valve
Poor engagement	Worn or contaminated friction plates	Replace or clean the friction plates
Braking delay	Spring fatigue / Air leakage	Replace spring or repair air circuit

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Safety Precautions

1. Pre-maintenance: Disconnect all power and air supplies and ensure the system is fully depressurized.

2. Positioning: Ensure the slider is at the lower dead center to prevent accidental movement.

3. Spring Handling: Restrain the brake spring force carefully during disassembly to avoid injury.

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Frequently Asked Questions

Q1: What is the response time for the clutch and brake engagement? A: The response time is highly efficient, measured at ≤0.02 seconds for both clutch engagement and braking.

Q2: Can the friction plates be replaced without taking apart the whole unit? A: Yes, the design allows for "on-the-fly" maintenance where friction plates can be replaced without disassembling the clutch body.

Q3: What is the maximum torque capacity of the AS0250 model? A: A single disc offers up to 6800 N·m for clutching. When using a dual-disc configuration, the torque is doubled to 13600 N·m.

Q4: Is the material used in the plates environmentally friendly? A: Absolutely. We use asbestos-free friction materials composed of advanced phenolic resin and inorganic fiber composites.

Q5: What are the required air pressure levels for operation? A: For reliable performance and safety, the stable working air pressure should be maintained between 5.5 and 6.0 kg/cm².

Q6: What is the typical lifespan of the friction plates? A: The friction plates are rated for ≥500,000 cycles, though this can vary depending on specific application frequency and load.