What Is Impact Bar

Impact bar is installed at conveyor loading and transfer points to replace traditional cushion rollers.

It is designed to absorb high-impact loading from falling materials while supporting the conveyor belt, ensuring stable operation and reducing damage to the belt system.

Structure of Impact Bar

The impact bar consists of three main components:

  • UHMWPE top layer – provides a low friction surface to reduce belt wear
  • High-elastic rubber layer – absorbs impact energy and protects the belt
  • Metal frame (steel or aluminium) – ensures structural strength and easy installation

We use a heat vulcanization process to bond the UHMWPE layer, ensuring strong adhesion and long service life.

impact bar sample drawingconveyor impact bar with UHMWPE surface

Key Features of Impact Bar

  • Evenly distributes impact force under the conveyor belt
  • High-elastic rubber absorbs maximum impact energy
  • Significantly reduces belt damage at loading points
  • UHMWPE surface offers extremely low friction coefficient
  • Reduces heat generation and extends belt service life
  • Minimizes material spillage and scattering
  • T-slot metal frame allows flexible T-bolt installation
  • Improves overall conveyor efficiency and reduces maintenance costs

Applications of Impact Bar

Impact bars are widely used in conveyor systems at:

  • Loading points
  • Transfer points
  • Heavy material drop zones

They are suitable for industries such as:

  • Mining
  • Cement
  • Bulk material handling
  • Ports and terminals

Advantages Compared with Impact Rollers

Compared with traditional impact rollers, impact bars provide:

  • Better energy absorption performance
  • Continuous belt support (no gaps between rollers)
  • Reduced belt vibration and wear
  • Lower maintenance requirements
  • Improved system reliability

FRAS Standard for Underground Applications

Our impact bars are available in FRAS (Fire Resistant and Anti-Static) type, suitable for underground and hazardous environments.

They comply with international standards, including:

  • MDG3608
  • AS1334.10
  • MT 113-1995

Installation and Customization

  • Standard sizes are available for common conveyor systems
  • Custom sizes can be manufactured based on project requirements
  • T-bolt installation system allows easy and secure mounting along the full length of the bar

impact bar T bolt

conveyor impact bar installation with T bolt

Technical Specification of Impact Bar Bed

Item Normal High Elastic Under Ground
UHMWPE Colour Blue Blue Black
Tensile Strength Mpa 23 23 20
Elongation @ Break % 300 300 250
Hardness Shore D 60-70 60-70 65-75
Abrasion Loss 0.053 0.053 0.08
Density g/cm³ 0.93-0.94 0.93-0.94 1.13
Coefficient of Friction 0.07 0.07 0.1
Rubber Hardness Shore A 60-65 45-50 60-65
Tensile Strength Mpa 19 19 19
Elongation @ Break % 400 400 400
Metal Frame Type See Image Below
Adhesion
Strength		 UHMWPE to Rubber N/mm ≥10 ≥10 ≥10
Rubber to Metal Frame N/mm ≥10 ≥10 ≥10

Metal Frame Type of Impact Bar

metal frame type for impact bar

Impact Bar Size Table

impact bar size table

Length A(mm) Width B(mm) Height H(mm) Thickness H2(mm)
1220 100 50-100 12.7/15
1400 100 50-100 12.7/15
1524 100 50-100 12.7/15
1600 100 50/75/100 12.7/15
1800 100 50/75/100 12.7/15

T-Bolt Set for UHMW Impact Bar Installation

Each impact bar is supplied with one complete T-bolt set, including:

  • 1 × M16 square head bolt
  • 1 × M16 flat washer
  • 1 × M16 spring washer
  • 1 × M16 nyloc nut

Standard T-bolt sizes available:

  • M16 × 40 mm
  • M16 × 50 mm
  • M16 × 60 mm

bolt for impact bar

Longer T-bolts can also be supplied upon request to suit different installation requirements.

Ensuring secure and reliable installation for different conveyor structures.

Packaging of UHMWPE Impact Bar

impact bar bed for conveyor loading point   impact bar bed packing

Custom Conveyor Protection Solution

If you are not sure which impact bar specification is suitable for your system, feel free to share your application details with us.

We can recommend the most suitable impact bar solution based on your material type, drop height and working conditions.

Impact Bar Shape Options for Different Applications

conveyor bed     rubber impact bars

Improve Your Conveyor System Performance Today

Looking for a reliable solution to protect your conveyor belt at loading points?

Send us your working conditions, material type and drop height. We will recommend the most suitable impact bar solution and provide a quick quotation.

FAQ – Impact Bar

What is an impact bar?

An impact bar is a conveyor support component installed at loading and transfer points to replace traditional impact rollers. It is designed to absorb impact force from falling materials while supporting the conveyor belt.

What are impact bars used for?

Impact bars are used at conveyor loading zones, transfer points, and heavy material drop areas. They help protect the conveyor belt from damage caused by impact and reduce wear during material transfer.

What is the structure of an impact bar?

An impact bar typically consists of three layers: a UHMWPE top surface for low friction, a high-elastic rubber cushion for shock absorption, and a steel or aluminum frame for structural support and installation.

What are the advantages of using an impact bar?

Impact bars provide high impact absorption, reduce belt wear, improve conveyor stability, minimize material spillage, and extend conveyor belt service life compared with traditional impact rollers.

What industries use impact bars?

Impact bars are widely used in mining, cement plants, ports, bulk material handling systems, grain processing, and other industries where conveyors experience heavy loading conditions.

What is the difference between an impact bar and an impact roller?

Impact bars provide continuous belt support without gaps, while impact rollers support the belt at separated points. Impact bars offer better energy absorption, reduced belt vibration, and lower maintenance requirements.

Are impact bars available in different sizes?

Yes, impact bars are available in standard lengths such as 1200 mm, 1400 mm, 1524 mm, 1600 mm, and 1800 mm.

Contact us today to reduce maintenance costs and extend your belt life.