Industrial Heavy-Duty Eccentric Press with Advanced Clutch Brake System

Product Description

KB Series Thin-Type Pneumatic Clutch Brake Product Manual
I. Product Overview

Introducing the KB Series Thin-Type Pneumatic Clutch Brake, an exceptional innovation. This masterpiece seamlessly integrates clutch and brake functionalities into a sophisticated spring-brake combination. Its outstanding performance and cutting-edge design render it a paragon of adaptability and reliability across an extensive array of industries.

Industrial Heavy-Duty Eccentric Press with Advanced Clutch Brake System

The KB500 Dry Pneumatic Clutch Brake stands as the cornerstone of our clutch brake lineup. Its streamlined design features an outer diameter of a mere 497mm, purpose-built for the rigorous demands of 110-125 ton pneumatic power presses, bench-type presses, and 120 ton powder compacting presses. It boasts a formidable 7300N·m transmission torque and 3800N·m braking torque, all under a 6.0 bar operating pressure, ensuring unrivaled performance.

The optimized design of the KB Series makes it ideally suited for applications necessitating:

  • Installations with limited space where every millimeter counts.
  • Swift and seamless assembly to minimize downtime.
  • Ultra-responsive operation, achieving engagement/disengagement in under 30 milliseconds.

For a complete set of technical documentation, including:

  • In-depth performance specifications that detail every facet of the product.
  • Engineering drawings available in both 2D and 3D CAD formats.
  • Torque curves tailored to specific applications, ensuring optimal performance.
  • Comprehensive maintenance protocols for easy upkeep.

Reach out to our expert engineering team for OEM technical support and tailored solutions. We provide full GD&T documentation to facilitate seamless integration with your machinery.

Model Clutch Torque (Kgm) Clutch Torque (Nm) Brake Torque (Kgm) Brake Torque (Nm) Max RPM Air Pressure (bar) Weight (kg)
KB25 26 260 18 180 3000 5-7 15
KB50 52 520 36 360 3000 5-7 25
KB100 104 1040 72 720 2500 5-7 40
KB200 208 2080 144 1440 2500 5-7 65
KB400 416 4160 288 2880 2000 5-7 95
KB500 520 5200 360 3600 2000 5-7 110
KB600 624 6240 432 4320 1800 5-7 125
KB800 832 8320 576 5760 1800 5-7 145
KB1200 1248 12480 864 8640 1500 5-7 175
HT1500 1560 15600 1080 10800 1200 5-7 200
HT2150 2236 22360 1548 15480 1200 5-7 245
HT2900 3016 30160 2088 20880 1000 5-7 300
(I) Application Fields

Our product finds extensive application across industries such as forging, printing, textile, welding, and shipbuilding. It has garnered significant acclaim in sectors like metal processing, paper machinery, woodworking machinery, and fiber machinery.

II. Product Advantages
(I) Compact Structure

Small Axial Size and Light Weight: With its minimized axial size and reduced weight, the design boasts low inherent rotational inertia, significantly cutting down the overall volume and weight of equipment while maintaining superior performance, thus enhancing operational efficiency.

(II) Safe and Reliable

Asbestos-Free Friction Material: Our friction material is devoid of asbestos, thereby eliminating potential health hazards and meeting contemporary environmental and safety standards, ensuring a safer, more reliable user experience.

(III) Easy Maintenance

Effortless Friction Pad Replacement: The design allows for the straightforward replacement of friction pads without the need to disassemble the clutch, significantly lowering maintenance costs and time, boosting maintenance efficiency, and reducing equipment downtime.

(IV) Excellent Heat Dissipation Performance

Unique Disc Arc Design: Our innovative disc arc design greatly enhances the product's heat dissipation capabilities, effectively reducing operational temperature, prolonging product lifespan, and ensuring equipment stability during prolonged high-load operations.

(V) Quick Response

Rapid Clutching and Braking: With a swift response time, it efficiently executes clutching and braking functions, meeting the quick-response needs of various mechanical equipment and enhancing production efficiency.

(VI) Diverse Connection Methods

Flexible Connection Options: Equipped with multiple connection methods, our product can be flexibly adapted to various site requirements, offering remarkable adaptability and perfect compatibility with diverse equipment.

Industrial Heavy-Duty Eccentric Press with Advanced Clutch Brake System
III. Product Structure

The pneumatic clutch brake is composed of the following essential components:

  • Clutch Body: Mounted on the equipment's main shaft, the center hole size of which can be custom-tailored to customer specifications (refer to sample size range), serving as the clutch's core component.
  • Clutch Ear Plate and Brake Ear Plate: Ingeniously connected to the flywheel and machine body using four robust pins, these components ensure the seamless and stable operation of both the clutch and brake.
  • Friction Pads (Blocks): These vital components are pivotal in the clutching and braking processes, expertly facilitating the transmission and cessation of power with precision.
  • Clutch Pins, Brake Pins, and Locking Plates: These are crucial for securely connecting and stabilizing various components. The locking plates are meticulously embedded in the pin grooves and securely affixed to the flywheel or machine body with screws, effectively preventing any axial movement of the pins.
Industrial Heavy-Duty Eccentric Press with Advanced Clutch Brake System
IV. Working Principle
(I) Clutching Process

External compressed air is directed into the clutch cylinder through the intake hole, propelling the piston forward. With the assistance of friction pads, the clutch body, and flat key, this movement rotates the driven part, achieving clutch engagement and ensuring seamless power transmission.

(II) Braking Process

Once the air supply is halted, the piston swiftly retreats under the force of the spring. This action, combined with the friction pads, clutch body, and flat key, rapidly brakes the driven part. The equipment achieves a swift stoppage within just 0.01 - 0.02 seconds, ensuring quick and efficient halt.

V. Installation Requirements
(I) Hole Diameter and Parallelism Requirements

For optimal installation, the hole tolerance for the four pins should be at H7. It is vital to maintain the hole center parallel to the main shaft center, ensuring precision and stability in pin installation.

(II) Geometric Tolerance and Roughness Requirements

Strict adherence to national standards is required for the geometric tolerance and roughness of the center hole and keyway. Similarly, the geometric tolerance and roughness of the customer's main shaft must meet these rigorous standards to enhance product performance.

(III) Installation Sequence Suggestions

Customers have the flexibility to select the installation sequence based on specific circumstances. Typically, it is advisable to first install the clutch and brake ear plates, pins, and locking plates, followed by the clutch brake body.

(IV) Installation Notes for Square Pins

Square pins are ingeniously employed to rectify installation size discrepancies between two pins and address plate thermal deformation due to clutch heating. Ensure that the two flat surfaces of the square pin are perfectly parallel to the radial direction of the ear plate.

(V) Sealing Requirements for Axial Air Intake

For axial air intake systems, it is imperative to install sealing caps on both ends of the clutch to effectively prevent any gas leakage.

(VI) Check after Installation

Post-installation, it is essential that the clutch end and brake end move freely, guaranteeing the smooth and efficient operation of the clutch and brake systems.

Industrial Heavy-Duty Eccentric Press with Advanced Clutch Brake System
VI. Product Maintenance
(I) Professional Maintenance Suggestions

Each clutch undergoes rigorous quality checks. Customers should refrain from unauthorized disassembly of the clutch, as any resultant damage will void company responsibility. Should you encounter any quality issues, promptly notify us, and we commit to resolving them swiftly.

(II) Friction Pad Replacement Method

The friction pads incorporated in our Heavy-Duty Clutch Brake Punching Machine for Eccentric Press Tasks are subject to wear over time. When extensive use leads to significant wear, it's time for replacement. Our friction pad replacement process is designed for simplicity, eliminating the need to disassemble ear plates or the clutch itself. The method is detailed as follows:

  • Replacement without Air Supply: Begin by loosening the clutch ear plate. Carefully remove the bolts and nuts securing the friction pads, replace them with new ones, and ensure the bolts and nuts are securely tightened.
  • Replacement with Air Supply: Similarly, after loosening the brake ear plate, follow the aforementioned steps to replace the worn friction pads with new ones.
(III) Timing for Friction Pad Replacement
  • For machinery like presses, if the machine fails to achieve its rated capacity, inspect the friction pads to determine if replacement is necessary.
  • Once the wear on the friction pads reaches more than half of the original thickness, it's imperative for customers to initiate timely replacement.
VII. Product Selection

Selecting the right clutch for your equipment is vital to its optimal performance. It ensures that your operations run smoothly and efficiently.

  • Consequences of Improper Selection: A clutch that is undersized fails to meet rated capacity, whereas an oversized clutch inflates equipment costs and can lead to overheating, hastening the wear of friction pads and aging sealing rings.
  • Selection Suggestions: To ensure the best fit, customers are encouraged to refer to our company samples or consult our expert technicians. We are here to offer professional guidance on selection.
Industrial Heavy-Duty Eccentric Press with Advanced Clutch Brake System
VIII. Safety Precautions
(I) Protection during High-speed Rotation

To ensure safety, never touch the clutch or come into contact with objects while it is rotating at high speeds. This precaution is essential to prevent accidents.

(II) Protection from High Temperature

Avoid direct skin contact with the clutch after it has ceased rotation to prevent burns. Allow approximately thirty minutes for cooling to room temperature before undertaking any maintenance tasks.

(III) Side Protection

Standing by the side of a rotating clutch is strictly prohibited due to the risk of accidents from flying debris. Always ensure a protective cover is securely in place during operation.

(IV) Attention during Ventilation Operation

During the ventilation and air-stopping process, it is crucial to keep fingers clear of the friction pads to avoid injuries such as pinching.

(V) Safety of Internal Structure

The clutch's internal springs should never be tampered with by unauthorized personnel. Disassembly must only be performed by trained professionals to prevent risk of injury.

Industrial Heavy-Duty Eccentric Press with Advanced Clutch Brake System
Industrial Heavy-Duty Eccentric Press with Advanced Clutch Brake System
Frequently Asked Questions (FAQ)
What are the primary applications of the KB Series Pneumatic Clutch Brake?
It is widely used in metal processing, forging, printing, textile, welding, shipbuilding, paper machinery, woodworking machinery, and fiber machinery. It is especially suited for 110-125 ton pneumatic power presses and powder compacting presses.
How fast is the response time of the KB Series Clutch Brake?
The KB Series features an ultra-responsive design capable of completing clutch engagement or disengagement in under 30 milliseconds, with rapid braking stopping the system within 0.01 to 0.02 seconds.
Do I need to disassemble the entire clutch to replace the friction pads?
No, the friction pads are designed for easy maintenance. They can be replaced easily without disassembling the clutch or the ear plates, which significantly minimizes maintenance downtime.
When should the friction pads be replaced?
Friction pads should be replaced if the machine fails to reach its rated capacity, or when the wear of the friction pads exceeds 50% of their original thickness.
What are the risks of choosing an incorrect clutch size?
An undersized clutch will fail to transmit the required torque and won't meet the equipment's rated capacity. Conversely, an oversized clutch will increase initial costs and can lead to overheating, accelerating wear on friction pads and seals.
What safety measures should be followed during maintenance?
Always avoid touching the rotating clutch. Wait at least 30 minutes after operation for the unit to cool to room temperature to prevent burns. Keep fingers away from friction pads during ventilation and do not attempt to disassemble internal springs.
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