Removing welds on flat aluminium
Aluminium is soft and quickly clogs your abrasive disc. That’s why you remove a weld on a flat aluminium workpiece with a fibre disc combined with SPAG anti-clogging spray. This way, the disc lasts longer and grinds more efficiently.
Which product suits your workpiece
For the best value for money, choose the FX fibre disc. Looking for an affordable solution for less demanding finishes? Then there is the KFK. Always use them together with SPAG.
FX
Ideal for quickly removing a weld on aluminium.
- Self-sharpening ceramic grain
- Top size coating with active grinding additive
- Maximum resistance to clogging
KFK
Affordable choice for less demanding finishes.
- Economical alternative to the FX
- Reliable performance
- Use together with SPAG
SPAG anti-clogging spray
Using SPAG not only increases the service life of the disc, but also the efficiency of grinding. The spray prevents grinding dust from building up between the grains of the abrasive disc.
In the photo: Alu Grind Spray SPAG
Choose the right back-up pad
The performance of a fibre disc depends heavily on the back-up pad. Depending on the workpiece, choose from:
In the photo: FX fibre disc
How to remove a weld on a flat aluminium workpiece in 3 steps
Choose your fibre disc and back-up pad
Choose the FX for the best value for money, or the KFK as the affordable choice. Mount the disc on an FIH, FIW or FIZ fibre disc back-up pad.
Spray SPAG on the disc
Before you start, spray a thin layer of SPAG on the disc and repeat this regularly. This prevents the disc from clogging with aluminium.
Grind away the weld
Work at a flat angle, with light pressure, and keep moving. This way, you remove the weld without grinding into the base material.
Frequently asked questions about removing a weld on flat aluminium
How do you remove a weld seam on a flat aluminium workpiece?
Use a fibre disc on an angle grinder, such as the FX, with a suitable fibre disc back-up pad. Before you start, spray SPAG Alu Grind Spray on the disc and repeat this regularly. Work at a flat angle and with light pressure, so you remove the weld without grinding into the base material.
Why is the FX fibre disc suitable for aluminium?
The FX has a self-sharpening ceramic grain and an extra top size coating with an active grinding additive. This gives powerful removal with maximum resistance to clogging. Looking for a more affordable alternative for less demanding finishes? Then the KFK is a reliable choice.
How do you use SPAG when grinding aluminium?
SPAG Alu Grind Spray is an active grinding additive in a spray can. Regularly spray a thin layer on your abrasive disc. The spray prevents grinding dust from building up between the grains, so the disc lasts longer and keeps grinding efficiently.
