Description
Number of Pages: 16
This is a reproduction, not a photocopy, of an original Hardinge Automatic Threading Unit on Model HC-AT Chucking Machine Operator’s Manual. This manual contains information on set up, lubrication, maintenance, adjustments, and controls. If you have this attachment, you need this manual. Check contents below.
We also have the maintenance manual in our store as well.
Contents:
| Collet Closer | |
| Removal……………………………………………………. | 2 |
| Replacement………………………………………………. | 2 |
| Control Handle…………………………………………… | 4 |
| Feed Rate Adjusting Screw………………………….. | 9 |
| Guide Bar Support Bracket………………………….. | 14 |
| Lead Screws | |
| To Change………………………………………………… | 3 |
| Available…………………………………………………… | 14 |
| Lead Screw Followers…………………………………. | 8 |
| Change & Adjust………………………………………… | 3 |
| Available…………………………………………………… | 14 |
| To Control Retraction………………………………….. | 10 |
| Lubrication | |
| Lead Screws & Followers……………………………. | 4 |
| Lubro Control Unit……………………………………… | 3 |
| Other……………………………………………………….. | 4 |
| Parallelism, Checking Setup………………………….. | 4 |
| Thread | |
| Depth Control……………………………………………. | 8 |
| Fine Adjustment Dial…………………………………… | 12 |
| Left Hand………………………………………………….. | 12 |
| Length Adjustment………………………………………. | 10 |
| Thread Control Charts | |
| General Use………………………………………………. | 11 |
| Brass and Aluminum……………………………………. | 11 |
| Threading Tool Holders……………………………….. | 12 |
| Threading Tools………………………………………….. | 13 |
| To Set on Center………………………………………… | 8 |
| Threading Unit | |
| Location……………………………………………………. | 7 |
| Setup……………………………………………………….. | 9 |
| Tool Setting Gage……………………………………….. | 5 |
Overview:
I have collected this information for many years and have found the information they contain to be priceless in using and setting up the machines properly. I believe this manual will be a valuable resource of knowledge that will provide a lot of helpful information that is often hard to find. My manuals are not photocopies. I maintain a high standard of quality in my reproductions. Most of the manuals I reproduce look better than their originals. I have professionally digitally edited every page, and removed stains, wrinkles and handwriting. All of the manuals are printed on thick white paper to withstand shop wear and tear.



