Pferd Aluminium Oxide 6A Mounted Flap Wheels 80x50mm (Grit Size: 60 - 150)

Description

Pferd Aluminum Oxide 6A Mounted Flap Wheel 80x50mm are suitable for use on all materials. 

 TECHNICAL DATA

• Shank Diameter: 6 x 40mm
• Size D x T mm: 80 x 50mm
• Recommended Speed: 4800 RPM
• Maximum perm. Speed: 9500 RPM
• Packed Qty: 10
• Aluminum Oxide A

Advantages

• High flexibility
• High stock removal due to the aggressive coated abrasive
• Carrier material wears off uniformly and
• without residue on the workpiece surface,
• meaning that sharp abrasive grit is exposed at all times
• Due to the flat cast core construction, the
• face of the mounted flap wheels can be
• used to work very close to edges and in corners

Application examples

• Fine grinding on radii in tool and mould construction
• Machining of small and hard-to-reach areas in apparatus engineering and tank construction
• Machining of fittings made out of nonferrous and light metals
• Grinding of turbine blades in aircraft engine construction and repair

Cutting speeds

In the diagram, the cutting speeds are represented by blue diagonal lines. The vertical line representing the tool diameter meets the given cutting speed (diagonal). From its point of intersection, proceed horizontally to the left margin, where you will find the corresponding rotational speed [RPM] for the mounted flap wheels and tool drive.

Example:

F 6030/6 A 120

Cutting speed: 15€š¬š¬‚¬š¬œ20 m/s

Rotational speed: 4,750€š¬š¬‚¬š¬œ6,350 RPM

Recommendations for use

• Mounted flap wheels achieve their best performance at a recommended cutting speed of 15€š¬š¬‚¬š¬œ20 m/s. This provides an ideal compromise between stock removal, surface quality, thermal load on the workpiece and tool wear.
• Flexible shafts, electric and air-powered straight grinders can be used as tool drives
• Use grinding oil that is suitable for the material in order to significantly increase the tool life and the abrasive performance of the tools.

Influencing work factors

• Tool wear and thermal load - The reduction of the contact pressure and the peripheral speed, together with the addition of grinding oil, reduce tool wear and the thermal load on the workpiece.
• Stock removal - An increase in stock removal should be attained by using a coarser grit size rather than by increasing the contact pressure in order to prevent unnecessary tool wear and thermal load on the workpiece. 
• Surface roughness - The increase in cutting speed results in a slightly finer surface. By increasing the contact pressure, the surface becomes slightly rougher. The softer the material to be worked, the rougher the surface (if the same grit size is used).

Safety notes

• For safety reasons, it is imperative to remain within the stated maximum permitted rotational speed at all times
• Safety is only guaranteed if:
• - The clamping depth is at least 15 mm
• - The specified maximum rotational speed for unsupported shank lengths is not exceeded

PFERD Ergonomics 

• Vibration filter
• Noise filter
• Haptic filter