Tension Brake Assembly

Product Specifications

Technical details and manufacturing context for Tension Brake Assembly

Definition

The Tension Brake Assembly is a critical sub-component of a Wire Tensioner system. Its primary function is to provide a controlled, adjustable braking force to the wire or cable as it is being fed, wound, or processed. This precise braking action is essential for maintaining consistent and accurate tension, preventing slack, over-tensioning, or wire breakage during manufacturing, spooling, or assembly operations. The assembly typically consists of a brake pad or shoe that is pressed against a rotating drum, disc, or the wire spool itself. The braking force is applied via a mechanical, pneumatic, or electromagnetic actuator. The applied force creates friction, which resists the rotation of the spool or drum, thereby controlling the tension on the wire being pulled from it. The braking force is often adjustable to accommodate different wire types, diameters, and required tension levels. Typical materials include steel, friction materials such as sintered metal or composite, and aluminum alloy. Key parameters include braking torque adjustable from 0.5 to 5.0 N·m via spring preload, wire diameter range of 0.1 to 2.0 mm, maximum wire speed of 300 m/min, operating temperature range of -20 to 80 °C, operating pressure of 1.0 to 1.6 MPa, air consumption of 0.5 to 2.0 L/min at 0.6 MPa supply, response time of ≤0.1 s, repeatability of ±2% of set torque, IP rating of IP54 to IP65 per IEC 60529, weight of 2.5 to 8.0 kg, and material AL6061/SS304 per GB/T 3190. These values are directory references and must be verified with the manufacturer for specific models and applications. The assembly is used in machinery and equipment manufacturing, particularly in wire processing, spooling, and winding operations. It is a component-level product, not a standalone machine. For proper selection, consider wire type, diameter, speed, and required tension. Verify all parameters and standards with the legal manufacturer or supplier before procurement.

Working Principle

The Tension Brake Assembly operates by applying a controlled braking force to a rotating drum, disc, or wire spool. A brake pad or shoe is pressed against the rotating surface via a mechanical, pneumatic, or electromagnetic actuator. The resulting friction resists rotation, thereby controlling the tension on the wire being pulled. The braking force is adjustable, typically via spring preload, to suit different wire types and tension requirements. This mechanism ensures consistent tension, preventing slack or over-tensioning.

Common Materials

Steel, Friction Material (e.g., sintered metal, composite), Aluminum Alloy

Technical Parameters

Parameter	Typical range	Notes & selection driver
Braking Torque	0.5–5.0 N·m	Adjustable via spring preload
Wire Diameter Range	0.1–2.0 mm	For standard wire types
Max Wire Speed	300 m/min	Above this, braking may overheat
Operating Temperature	-20–80 °C	Outside this range, friction material degrades
Air Consumption	0.5–2.0 L/min	At 0.6 MPa supply pressure
Response Time	≤0.1 s	From signal to full braking
Repeatability	±2 %	Of set braking torque
IP Rating	IP54–IP65	Higher rating for dusty environmentsIEC 60529
Weight	2.5–8.0 kg	Depends on size and material
Material	AL6061/SS304	Aluminum body, stainless steel shaftGB/T 3190

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Brake Drum/Disc Part
The rotating surface against which the brake pad applies friction to generate braking torque.

Material: steel
Brake Pad/Shoe Part
The friction element that contacts the brake drum/disc to create the braking force.

Material: friction material (e.g., sintered metal, composite)
Actuator (e.g., Pneumatic Cylinder, Solenoid)
Applies the force that presses the brake pad against the drum/disc.

Material: steel, aluminum
Mounting Bracket/Housing Part
Provides structural support and alignment for the entire assembly within the tensioner.

Material: steel, cast iron
Preload Spring
Sets the standing brake force; adjusting its preload is how the tension is dialled in.

Material: Spring steel

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Wire Tensioner

View system integration details

Manufacturers of Tension Brake Assembly

Manufacturer profiles associated with Tension Brake Assembly.

Sourcing Tension Brake Assembly from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the primary function of a Tension Brake Assembly?

It provides controlled braking force to regulate wire tension during feeding, winding, or processing, preventing slack or breakage.

What are the typical materials used?

Steel, friction materials (e.g., sintered metal, composite), and aluminum alloy are commonly used.

How is the braking force adjusted?

The braking force is adjustable, often via spring preload, to accommodate different wire types and tension levels.

What parameters should be verified before purchase?

Verify braking torque, wire diameter range, max speed, operating temperature, pressure, air consumption, response time, repeatability, IP rating, weight, and material with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Tension Brake Assembly

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	0 to 10 bar
other spec:	Max wire tension: 5000 N, Brake torque range: 5-100 Nm
temperature:	-20°C to +80°C

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards