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  1. 5

    Is It Possible for Me to Repair This Small Electric Motor?

    Hi, Everyone. The electric motor pictured below is no longer functioning. It came out of a Raytech Vibratory Tumbler. I know very little about electricity and even less about electric motors, but I'm having trouble finding someone who might be able to repair this thing. Any suggestions? I'm in...
  2. 5

    Seeking a Source for This Lapping Back Plate

    Hello, Everyone. I have a 12-inch Lapmaster that has been a terrific workhorse in my shop. I recently discovered that I can use magnetic backing plates with different PSA grit sandpaper on each one for quick and easy switching between grits. Does anyone have a good source for these? Here's what...
  3. 5

    Seeking Recommendations on a Punch Press Machine $1000 or Less.

    Dear Moderator: I was not sure where to put this post. If necessary, please move it the most appropriate subforum. Thank you. Hi, Everyone. I'm looking into acquiring an entry-level punch press machine, preferably hydrolic, for my small manufacturing company -- new or used, but my upper budget...
  4. 5

    Has Anyone Ever Seen a Lapping Plate Like This?

    Hello, the plate below came with an older, used 12-inch Lapmaster machine. Has anyone ever seen a base plate like this, and if so is there an adapter that someone out there might make that I could purchase? (I'm too inept and too busy to try to make one myself.) Thanks Very Much, #5
  5. 5

    I HAVE an EPOXY Problem. Need Help.

    Hello, hello. So here's my problem. I make a high-end line of guitar picks. One of our materials is brittle and slightly breakable below 1.0 mm (.040") thickness. I've become experimenting with using colored Epoxy to strengthen the material, so far with excellent results. Here's an example...
  6. 5

    Seeking a Top-Quality CNC House in the Los Angeles / SoCal Area

    Hello, All. I had previously posted the need for a top-quality CNC house for a prototype we're developing. Several members here were kind enough to post and offer their services, or recommend great shops that might do this kind of work. However, after further analysis, with the difficult of...
  7. 5

    Need Advice: How Can I Break This Allen Screw Free?

    Howdy, Everyone. I purchased an ancient Lapmaster 12 about a year ago. I'm finally getting around to fiddling with it. I'm trying figure out how to loosen and remove this Allen head bolt. It's seized solid, and it begins to strip the hole if I try to use an Allen wrench on it. The other...
  8. 5

    Two Ceramic Conditioning Rings for a Lapmaster 12"

    Hello, Everyone. About six months ago I acquired a vintage 12" Lapmaster. Runs like a champ. It came with two ceramic that I don't need and can't use. These cost about $500, plus tax and shipping, when purchased directly from Lapmaster. I'm asking $650 for the pair. One of them is clean and...
  9. 5

    Your Suggestions, Please: Best Way To Remove PSA Stickem from an Acrylic Base Pad

    Hello, I have a weird application in my shop where I've had to create my own base plate for PSA sanding pads. Long story. I've removed a previous pad, but I have a lot of stickem left on the acrylic base pad. I tried hot water, soap, vinegar, and none are working. I read online that I...
  10. 5

    In Need of Nesting Software: Any Suggestions?

    Hello, Everyone. I am just bringing on our first CNC router, just a small desktop unit. Excuse my ignorance, but do most CNC programs come with a nesting feature? I cut a lot of sheets that are 12" x 12" and want to maximize my yield. Or do I need to acquire a separate program for that? Thank you.
  11. 5

    Any Sources Out There for clean, used Lapping Plates

    Any Sources Out There for clean, used Lapping Plates? I acquired a really cool, ancient 12" Crane/Lapmaster Lapping machine. It came without the conditioning rings or the lapping plate. I'm going to buy the conditioning rings direct from them, which are about $100 a throw. However, the...
  12. 5

    Opinion on OMTech K-40 Laser Units?

    Are Offshore K-40 Laser Just a Waste of Money? Hello. I have a very nice Epilog CO-2 laser cutter that works beautifully. I'm going to be needing a laser machine that is strictly an engraver. I have a tiny shop and a limited budget. I know this question gets asked a lot in forum, but forgive...
  13. 5

    Does 3M (or Anyone) Sell Trizact 5000 grit material in sheets?

    Does 3M (or Anyone) Sell Trizact P5000 Pad material in Rolls, or Similar? Howdy, All. I use the 3M Trizact 3000 and 5000 grit pads for smoothing and polishing with great success in my business. These are used mainly in the auto body industry. Does 3M (or a competitor) sell Trizact material...
  14. 5

    Is there such a thing as Self-Adhesive Sanding Pad That is Waterproof?

    Hello. I don't think what I need exists, but you guys know a lot more than me. I'm in need of a self-adhesive sanding paper that is also waterproof. Does such a thing exist? Hook and loop won't work because it has too much give. Here's an example from Amazon of something that would be...
  15. 5

    Any Benchtop CNC Routers under $3000 That Might Offer 6-inch Z Axis Travel?

    Hello, All. I am looking to purchase the first CNC router for my small shop. I do not need a table larger than about 16" x 16" and I would prefer to buy an American-made model from a vendor with good phone and customer support. The one thing I really need is a standard router with an extended...
  16. 5

    Your Recommendation for Larger, Cheaper Version of 3M Trizact Sanding Pad

    Your Suggestions for Possible Larger, Cheaper Versions of 3M Trizact Pads Howdy, All: I've been using 3M Trizact sanding/polishing pads for a number of years in my business with great success for my particular application. I typically using the 5000 grit (pictured below) and will soon be...
  17. 5

    Lapping Machine: How to Attached Felt Polishing Pad

    I confess I am a complete no-brainer newbie when it comes to lapping m
  18. 5

    Can Vacuum Holding Be Done Inexpensively, Without a Huge Compressor?

    Hello, Hello. I've begun exploring building a small DIY vacuum table. I don't need a footprint much larger than 24" x 24" Excuse my ignorance, but is there a way to create a vacuum-holding system without needing a huge compressor (which I do not have) or a large vacuum pump (which I also...
  19. 5

    Want To Buy: ONE (1) Used Conditioning Ring for 12" Lapmaster Flat Lap Machine

    Hello, Everyone. About a month ago I was able to get a fantastic deal on a very old but fully functional Crane 12-inch flat lapping machine. This thing is built like a Sherman Tank and must be at least 50 years old. Crane was or is a division of Lapmaster, so I would imagine dimensions for...
  20. 5

    Conditioning Rings for a Flat Lap: Possible to Make Your Own?

    Hi, All. I just bought a used 12" Crane/Lapmaster machine for cheap. It came without the conditioning rings? Would it make financial sense to make my own? I'm not a machinist per se, but this doesn't look particular difficult, and I have several machinist friends. If you've done this, or...

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