Search found 6 matches
- Sat Sep 15, 2012 2:50 pm
- Forum: General Discussion
- Topic: Digital caliper accuracy
- Replies: 28
- Views: 8187
Re: Digital caliper accuracy
I've noticed on my cheap calipers when the zero reading starts bouncing around and changing .001" or .002", it's time to change batteries. I know the instructions say the battery is weak when the display blinks but all 3 of my cheap calipers start doing exactly what you describe when the b...
- Mon Dec 26, 2011 7:46 pm
- Forum: General Discussion
- Topic: Tips, Hints, Shared Ideas for the new Machinist or Hobbyist
- Replies: 61
- Views: 45185
Re: Tips, Hints, Shared Ideas for the new Machinist or Hobby
Need some soft jaws for a quick polish or sanding job? How about heat shrink tubing from an electrical supply place. Works for pliers too. If you heat (and shrink) slowly, you can make them re-useable.
- Tue Feb 01, 2011 9:50 pm
- Forum: General Discussion
- Topic: Drill-Driver Batteries
- Replies: 52
- Views: 14112
Re: Drill-Driver Batteries
Thanks Harold. I could go on talking about all the features in this drill but I'm sure Darren isn't ready to drop that much money on a battery drill. There are some good battery packs out there but they are going to be expensive. Darren could get by with almost any 12 or 18 volt drill. Ryobi's 18 vo...
- Tue Feb 01, 2011 12:05 pm
- Forum: General Discussion
- Topic: Drill-Driver Batteries
- Replies: 52
- Views: 14112
Re: Drill-Driver Batteries
I think you're asking too much from the driver. Most battery packs put out 1 to 1.2 amps. Multiply volts by amps to get watts. At most you have 5.5 watts. One horse power is equal to 745 watts. So you have less than 1/100 hp available to you on a fully charged battery. Don't forget friction, motor l...
- Fri Jan 09, 2009 11:31 pm
- Forum: General Discussion
- Topic: how do you guys cut your stock?
- Replies: 35
- Views: 11917
Re: how do you guys cut your stock?
I don't know if most of you folks are on the Home Shop Machinist Magazine tips email list or not, but very recently they showed a very innovative way to modify the Harbor Freight portable bandsaw for use as a bench-type saw. Where space is a problem this would be great. If anyone that's interested ...
- Thu Nov 20, 2008 5:59 pm
- Forum: Favorite Metal Working Websites
- Topic: Great Beginners "How To" Site
- Replies: 0
- Views: 22324
Great Beginners "How To" Site
I thought I found this link here but I don't see it now. So it here it is.
This site shows a lot of machining basics and is great for someone just starting out. There is a series of 10 videos total.
http://techtv.mit.edu/videos/142-span-c ... pan-shop-1
This site shows a lot of machining basics and is great for someone just starting out. There is a series of 10 videos total.
http://techtv.mit.edu/videos/142-span-c ... pan-shop-1