9/23/2023 0 Comments Feathers and wedges home depotIf you are working in the rain, be aware of puddles of water. Do not plunge them in water it will ruin them. They get very hot and needs to cool down. It is a good practice to have two or three bits while working, swapping bit every 2 to 4 holes. You’ll need to buy a handful of drill bits, as they will bust on you. A row of holes will usually result in a pretty straight cut line, which could be advantageous. A bit of experience will help you determine this as you work, so don’t think too much about it. Look for formations and cracks in the bed rock and try to make such features work to your advantage. Drill 20 cm deep holes (slightly longer as the wedges as there will be some dust left at the bottom) about 10-30 cm apart, depending on the rock type you’re working with, the amount you are trying to split off and the conditions within the rock itself (cracks and so on). You want to drill as few holes as possible as this does take time. The machine drills the holes relatively fast, and the feathers and wedges delivers enough force to split rock without me needing to make Swiss cheese of it. He found that 20mm is a good middle ground. My brother-in-law, who told me about this, has a lot of experience with feathers and wedges. The specifications on my drill goes up to 20mm holes, so that is what I got for the feathers and wedges. I think the record for a Biltema bit was 5 or 6 holes, while I have a bit from Jula that has done 30 or 40 holes by now. The V-shaped hard insert lasts a lot longer. The hard insert breaks off very quickly – a couple of bits did not last half a hole! I buy my drill bits from Jula. I’ve found that the drill bits sold at Biltema does not last and should be avoided. There’s no need to go completely overboard though, as you’ll ned drill bits that can stand up to the abuse. In any rate, what you should aim for is a large machine that delivers a good punch. The new model delivers 9 Joules and should perform better, I believe. The one I got uses SDS-MAX bits and draws 1050W. The model is discontinued and replaced with a similar one. ![]() For scandinavian readers: I bought it from Jula for NOK 1799,. I bought a big hammer drill that delivers 7 Joules to the drill bit.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |