Why use an impact bed at the loading zone?
It spreads the impact load across a wide support so the belt is not pinched between lumps and idlers, preventing premature belt and idler failure.
CSH · Buffers
Energy-absorbing Buffer Bed
吸能缓冲床
Impact bars and energy-absorbing beds for the heaviest loading points — replaceable cassettes that cut belt damage, spillage and unplanned maintenance.
- SKU prefixBUFFERS-CSH
- MOQ10 pcs
- Lead time1 month
- StandardCSH
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Current SKU: BUFFERS-CSH
Overview
Energy-absorbing Buffer Bed at a Glance
89–159 mmRoll Ø
500–1600 mmBelt width
DTII / TD75 / ISOStandard
ISO 9001 / MACertified · CSH
Usage
Usage
Energy-Absorbing Buffer Bed — a heavy-duty buffer bed with spring or damped elements between the bed and the structure, giving two-stage energy absorption for extreme impact. It handles very high drop heights and oversized, sharp lumps that would overwhelm a standard buffer bed, protecting the belt and frame at primary-crusher discharge and large loading terminals.
Operating conditions
Operating conditions
| Working temperature | Ambient range (-20 °C to +40 °C); UHMW-PE and PU impact bars rated about -40 °C to +80 °C. |
|---|---|
| Dusty environment | Suitable — UHMW-PE and rubber impact bars resist dust and fines in the loading zone |
| Moisture & water | Suitable — UHMW-PE and rubber bars are unaffected by water; coated steel frames for wet duty |
| Corrosive environment | Powder-coated for ordinary acid or alkali · Galvanized for coastal and semi-outdoor · Stainless for high-salinity and high-humidity sites |
| Certification | MA coal-mine safety certified versions available — confirm the certified SKUs for your project |
| Outdoor use | Suitable — coated and stainless options for coastal and weathering service |
Technical overview
Impact beds and buffer bars absorb the shock of material falling onto the belt at loading points. HBXM bars use a UHMW top layer over energy-absorbing rubber to protect the belt, seal and idlers from impact damage.
What is the difference between an impact bar and an impact bed?
An impact bar is a single replaceable segment; an impact bed is a full-width frame of joined bars that supports the whole loading zone.
What is the UHMW layer for?
UHMW has very low friction so the belt slides smoothly over the bar instead of dragging, which reduces wear and power draw.
How long do buffer bars last?
Service life depends on tonnage and lump size; in typical mining duty the UHMW surface runs for many months before bar replacement.
Highlights
Features
Precision shell Ø
Impact-roll Ø89–159 mm absorbs shock at the loading point.
Belt-width coverage
Covers belt widths 500–1600 mm across standard conveyor sections.
UHMWPE slide bars
Low-friction surface protects the belt during load impact.
Energy-absorbing rubber
Cushions heavy, sharp or high-drop material at the loading point.
Modular cassette design
Sections bolt together for any belt width and layout.
Sealed bearing support
Optional idler cassette for continuous, low-drag sliding.
Quality
1
Bar integrity
UHMW grade verified for impact and abrasion resistance.
2
Cushion reliability
Rubber compound tuned for consistent energy absorption.
3
Frame strength
Welded structure load-tested to drawing.
4
Finish options
Coatings for wet, corrosive and outdoor duty.