Mounting Instructions for ER collets and Nuts
For a green hand to set up or take out er collets with nut, if not fix the collet well, it will be very dangerous. Wrong fixture can not hold the cutter bits tightly, high speed spindle rotating and cutter bits cutting will easy get the cutter bits fly out. That is very dangerous.
Now RicoCNC will guide you how to set up and take out er collets with nut.
Mounting instructions for ER collets and nut:
1, Put the collet into the nut, turn the collet slightly. Push it into the nut at the offered direction evenly when the offset flange sinks into the undercut of the collet. Push on the bottom of the collet until the collet completely enters, and lines up with, the nut. As the collet moves into proper alignment, you will hear and feel a distinct click, indicating that the top of the collet is safely.
2, Fix the nut and the collet on the spindle rotate the nut until the collet is in pressing, wipe the straight shank of cutter and insert it into the pilot hole. The nut / collet assembly can now be screwed onto the spindle, loaded with one of those great Precise Bits. Tighten the nut with a wrench till the cutter is clamped heavily and made ready to use. (Caution: never tighten the nut without cutter in it for it will break).
3, When changing the cutter bits, remove the nut / collet from the spindle and remove any bits from the collet bore. Loosen the nut and it shall bring out the collet and the cutter together. And then draw the cutter out, push out slightly the collet in the offered direction, it shall be ready for any change of the cutters.
Collets mounting instructions Keypoint:
1, Place collet inside nut and rotate the nut to engage with the extractor spiral in collet groove
2, Only then mount nut and collet together into the collet chuck holder or machine spindle
3, Removing the collet from the nut is also quite easy. Loosen the nut, take out the cutter, then remove the collet from the nut.
Never activate (turn on) a spindle without a tool securely fastened inside the collet, and the nut properly tightened.
Failure to follow this simple precaution could lead to damage to the spindle, collet, nut and any unfortunate bystander.
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