Hi
I have a Rockwell 34-450. I just measured and adjusted the fence to miter slot to within .0001″ I’m obviously happy with this.
I measured the blade to miter slot and I’m getting about .0006″. I’m reading the acceptable tolerance is .0005″
I have a bit of time right now, but I have no clue how to make a blade adjustment. I cant find any manual for this old beast so I’m hoping one of you guys could help.
Many thanks!!
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Replies
I'm assuming that .0006 is a typo and you meant 6 thousandths.
To correct, you loosen the 4 bolts that hold the cast iron top to the steel cabinet and tap the top in the desired direction. Then tighten the bolts and recheck the blade.
This video shows the technique:
https://www.youtube.com/watch?v=H4Fl07vUpog
Yes sorry I meant .006"
Although aligning the miter slot to the blade and the fence to the miter slot, you will likely find it better to do that setup, but align your fence to the blade for direct accuracy. Different with the miter guage.
Make sure when adjusting the table by loosening the 4 bolts that you also keep the blade in the center of the throat plate especially if it’s a zero clearance.
I'll add that you want to align the blade to the miter slot you use your gauge in since sometimes slots are not perfectly parallel. Demonstrations are often done with the right slot. I assume this has something to do with it being easier to photo or video. I use my gauge in the left slot and align the blade to it, then align the fence to that slot as well.
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