Compact guiding system
Module guiding
Standard guiding system
Guiding system for large dies
Application fields for bushes
Guiding for stamping and forming die sets
Comparison of guiding types
Ball guides – precise and smooth running
Areas of application
- For highest speeds
- For maximum precision
- For high requirements regarding radial offset
- For thin sheets
Characteristics
- Minimal wear through axial offset of the balls
- Special inlet geometry guarantees a smooth entry of the balls
- Free of play guiding through optimal preload
- Smooth running through rolling motion of the balls
- Allows easy closing action of the dies
- Can become overloaded at high shear forces due to the point contact
- Stroke / path is limited
The bronze coated sliding guide – for high shear forces
Areas of application
- Ideal for limited speeds (30m/min)
- For die clearances bigger than 0.03 mm due to the medium play of 0.01 mm (G4)
- Ideal for thick strips due to the high shear forces
Characteristics
- The circumferential oil groove ensures perfect lubrication – also in the case of short strokes
- The stroke / path is not limited – extension of the pillar is possible
- Risk of die tilting during the closing action
Roller guides – precise and stiff
Areas of application
- For high speeds
- For maximum precision
- Higher stiffness than with the ball guide
- Suitable for fine blanking due to high shear forces
Characteristics
- Minimal wear through axial offset of the rollers
- Special inlet geometry guarantees a smooth entry of the rollers
- Free of play guiding through optimal preload
- High stiffness due to lines touching the rollers
- In many cases more resilient than the ball guide
- Stroke / path is limited
- More expensive than the ball guide
- Can only be used with axial movements
Self-lubricating sliding guide – the strong alternative
Areas of application
- Ideal for self-lubricating applications thanks to the oil depot and solid lubricant MoS2 in the sinter layer
- Up to 250 °C
Characteristics
- The frictional heat causes the oil to rise to the sliding surface. Due to its capillary action the oil retreats in the sinter layer (when the machine is idle).
- The ideal diffusion zone between the sinter layer and the steel sheath ensures inseparable molecular bonds
- High resistance to abrasive wear and very good emergency operating features without additional lubrication
Sliding guide made of steel
Areas of application
- At high shear forces
- For short stroke rates
Characteristics
- The circumferential oil groove ensures perfect lubrication – also in the case of short strokes
- Guiding diameter for low coefficients of friction Ra 0.3 honed
- Possible die tilting during the closing action
Solid bronze sliding guide
Areas of application
- For large sheet thickness due to guide tolerance G6
- For moderate stroke rates
- For medium shear forces
Characteristics
- Optimum lubrication through graphite rings
- Initial lubrication with VGM 160 reduces the wear
- The stroke/path is not limited – extension of the pillar is possible
Continuous abrasion of the solid lubricant
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