Home / Technical Library / General & Mill Utilities

Wire & Felt Tensioners, Correctors & HP Showers

Tensioning, guiding and on-line cleaning of forming fabrics, press felts and dryer fabrics — pneumatic / hydraulic / electromechanical.

ScopeTensioning, correction and on-line cleaning of wires/felts
DrivePneumatic / hydraulic / electromechanical

1 · Equipment Overview

FunctionFabric tensioning, guiding, high-pressure shower cleaning.
Main partsTension roll, worm-gear box, air motor, load cells.
Drive typesLever / linear / rack types.
Lubrication≈ 14.5–15 L worm-gear oil; oil-mist lubrication of air motors.

2 · Maintenance Process

Lock outIsolate power, depressurize; confirm fabric stationary.
Inch to service positionJog the shower beam to the service position on the service pendant; keep energy chain as straight as possible.
Replace HP hosePull-through with old-to-new hose coupling — never force; pressure-test and confirm no rubbing. Allow ≈ 3% shortening under pressure.
Chain / energy chainTension roller chain (opposite motor side); run energy chain full travel and check side plates.
Travel wheels / bearingsCheck wheels for uniform rotation; toggle-check guide-pulley bearings and gear teeth.
Coupling torqueVerify gear-motor torque coupling. 60–70 N·m
Nozzle replacementRelease locking plate, unscrew old nozzle; lubricate new O-rings, screw in, re-lock.
Oil change / lubricationChange worm-gear oil; adjust oil-mist lubrication; clean silencers.
Seal renewalReplace end seals / piston seal assemblies.
Calibrate & trialCalibrate tension sensors; run travel / cleaning programs.

3 · Key Process Photos

HP shower beam at service position
HP shower beam at service position
Air motor and valve group installation
Air motor and valve group installation
Roller chain and sprocket check
Roller chain and sprocket check
Pneumatic control box
Pneumatic control box
Tension-roll bearings and supports
Tension-roll bearings and supports
Tensioner and lifting arm on site
Tensioner and lifting arm on site
Tension measurement and readout
Tension measurement and readout
Field control box and wiring
Field control box and wiring

4 · Acceptance & Handover

Tension stroke reaches position with stable readings in the set band; HP hoses / nozzles leak-free with uniform spray fans; travel wheels smooth and quiet; worm-gear oil level correct; sensors calibrated; full cleaning-program trial passed.

Request a quote for this scope   ← Back to library