Coated Fabric Bellows for CNC Machine Tools

Maximum compression and flexibility in a wide range of materials for a wide range of environments. Industrial coated fabric bellows are great for dust protection, laser machines, and guideways that donʼt see a lot of chip loads.

Coated fabric bellows can be assembled using the heat-selaed, glued, or the stitched method. Our bellows can be made as a folded bellow to cover multiple sides, as a flat bellow to cover a single side, or round bellow for protecting shafts and other cylindrical machine components.

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FOLDED BELLOW

FOLDED BELLOW

Fold Height (e) Extensions per Fold (AZ)
15 18
17 22
20 28
24 36
30 48
35 58
40 68
45 78

Folded Bellow ExampleFolded Bellow Description

FLAT BELLOW

FLAT BELLOW

Fold Height (e) Extensions per Fold (AZ)
15 14
17 18
20 24
24 32
30 44
35 54
40 64
45 74

Flat Bellow ExampleFlat Bellow Example

ROUND BELLOWS

ROUND BELLOWS

Stitched

Round Bellow Example

Glued

MATERIAL OPTIONS

MATERIAL OPTIONS

Material is selected based on the application / operating conditions.

Decisive factors are: mechanical / thermal strain and type of chips / liquids

Carrier Coating (Ext/Int) Specification # Thickness (mm) Types Wear Resistance Oil / Grease / Collant Resistance Swarf / Weld Splatter / Forging Scale Resistance Flame Resistance Self Extinguishing Surface Stability Extension / Compressions Ratio
        Heat Sealed Stitched Steel Clad Round Stitched              
Polyester PUR / PUR OZ-PUR 0.35 x x x   + + + - o ++ +
Polyester PUR / PUR ERA 7810 0.22 x x     + o o - o o ++
Kevlar PUR / PUR PUR-KEVLAR 0.36 x x x x ++ + + + + ++ +
Polyester PVC / PVC OZ-23 0.23 x x     + - - - - o ++
Polyester PVC / PVC OZ-35 0.36 x x x   + + o - o + +
Nomex ALU / - ALUM-ARAMID 0.35 x x   x + o ++ + ++ + +
Polyester PTFE / PUR PUR / TEFLON 0.3 x x x   ++ ++ o - o ++ +
Nylon NEP / NEP NEOPRENE 0.4 x x x x ++ ++ ++ - o ++ o
Nylon HYP / HYP HYPALON 0.4 x x x x + ++ o - o + o

++ Excellent     + Good     o Suited Under Certain Conditions     - Unsuitable

Commonly Used Materials Details
Polyurethane (PUR) Temperature Resistance up to 120° C
Polyurethane (PUR) Aluminized Temperature Resistance up to 400° C (stitched type only)
Nomex Flame Resistance. Ideal for laser machines
Kevlar High Strength. Abrasion and puncture resistant.
Polyvinylchloride (PVC) Self Extinguishing
Teflon Polytetraflourethylen (PTFE) Anti-adhesive. High chemical and thermal resilience. Corrosion proof. Dirt & water repelling.

Mounting Options

Mounting Options

Mounting Options for Coated Fabric BellowsHalf Fold


Limits extension of the first fold for outside mounting.
 
 
 
 
Full Fold Bellows Example
Full Fold

Allows for full extension of the first fold for inside mounting.
 
 
 
External Fold Bellows ExampleExternal Flange

Allows for full extension of the first bellow for outside mounting above the bellows.
 
 
 
 
Velcro Bellows ExampleVelcro

Supplied with adhesive backed velcro fastener for simple and quick inspection of machine components (dry applications).
 
 
 
Collar for Round Bellows ExampleCollar (for round bellows)

Different fixing devices are possible on either side.
 
 
 
 
 
wFlange (for round bellows)

Different fixing devices are possible on either side.

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