metal finishing

lots of amps

September 3rd, 2010 at 02:47pm Under metal finishing

So who here with the larger tanks put 30 amps or so to their parts?

I just started ramping up production and I have a full rack of parts. From top to bottom I get color differences.

I have an idea on what it could be due to. That idea is because I have so many amps my solution isn’t being mixed quick enough.

Has anybody else came across this problem?

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Sand Blasting Filters

September 3rd, 2010 at 02:47pm Under metal finishing

Would this be an good setup for a filter for a shop vac? Cyclone filter then a water filter then a box containing a furnace filter and then the shopvac. I would also use this for woodworking, just without the water filter. This is the cyclone design: Homemade Cyclone Dust Collector – by jcoulam @ LumberJocks.com ~ woodworking community

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PID/Contactor wiring HELP Needed ASAP…….

September 3rd, 2010 at 02:47pm Under metal finishing

Long story short my old oven control setup Bit the dust…LOL

So i bought these parts:

SYL-2342 PID From Auberins
•Model: CN-PBC402-120V Contactor
•Model: WRNK-171 Thermocoupler

Got everything wired per Teds Schematic off his website and the PID comes on and i can set the Temp and hear the Contactor Click on , but no heat to the Elements ?

This is a pic of the old setup i was using for 7-years.. BTW im only running 3-3000watt elements..

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Price list?

September 3rd, 2010 at 02:47pm Under metal finishing

I searched but didnt see anything. I finally have my polishing stuff set up and have done a few pieces so I am ready to start working on some stuff for other people. Honestly I do it for fun, but if I can make some money, great. Do ya’ll have a price list you wouldn’t mind sharing so I can get an idea of what some other folks are charging. I am not planning to advertise here so, there shouldn’t be any issue with taking business, only going to do stuff here locally for some friends.

Thanks
Brad

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Polishing wood??? Use same stuff as metal

September 3rd, 2010 at 02:47pm Under metal finishing

I am making a knife (assembling) for my father in laws birthday next month. I have in the past, about 10 years ago made one, and used a friends stuff to polish the wood after the final shape sanding.

Ordered the blade "kit" last night *Boot Skinner – w/Bolsters/Pins

Wood
Birdseye Maple – Scales – Natural – (5 x 1.5 x 1/4)

And Mosaic pins
Mosaic Pins : 7/32 inch

The pin material is just a hair bigger than the tang holes in the blade kit so I will have to adjust that but otherwise it should go together rather easily.

I have to figure out my wood polishing now. I think have all I need but going to do some more research to see if the Tripoli, and rouge I have will work on wood.

Update as soon as the stuff arrives. Do you guys think it will work using standard red, and white rouge?

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Purple of Cassius on 14KT gold Vermeil Jewelry

September 2nd, 2010 at 02:47am Under metal finishing

Hello Folks…

I am a jewelry manufacturing consultant in the Far East. I have come across a factory here in China that has a severe discoloration problem on their 14K vermeil plating items. It is a very dark and vibrant mix of color of purple and deep blue. It is sporatic across the items. I have read about Purple of Cassius on gold plating of circuit boards and am wondering if this could be the problem. I also read that a possible cause is tin chloride and/or stannic acid….possibly contaminating the gold bath from maybe bad Chinese solder on some of the items. Does anyone have any knowledge on this condition of discolor? I will have pictures of the affected items by tomorrow.

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Spot filler to use before powdercoating

September 2nd, 2010 at 02:47am Under metal finishing

We powdercoat various steel plates and other objects and are looking for a filler that can be used to fill scratches and gouges up to maybe 1/8th deep (most much less) before we apply our coating.

What are some of the options out there?

Thank you all in advance

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Zinc/CopyCad Plating combo Pot-Metal & Sheet-Metal

September 2nd, 2010 at 02:47am Under metal finishing

I have a number of unique gear-clamps (radiator hose clamps) that have a
"hinged" pot-metal head on the steel strap. (British "TEX Grip-Tite" brand).
The Pot-Metal Heads have a steel "screw gear" in them.
These gear-clamps need replating (original plate was Cad which I’d like to
replicate), but I’ve heard that the Zinc Plating Bath will dissolve or otherwise
damage the pot-metal.
Any suggestions, recommendations on how-to go about plating these pieces?

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First post, First project. Wow lot of firsts.

September 2nd, 2010 at 02:47am Under metal finishing

First off, I’d like to thank everyone here for the wealth of information that I have picked up on. I am a hobbyist but want professional results. That’s why I am glad I found this site. There are professionals and weekend warriors here and I love seeing everyone’s projects. If I (and I will) screw something up, I will post it too. Better that than someone else waste a couple of hours doing the same thing I did.

Most of my “polishing” projects have been on chrome. Really tough work. Wipe on, wipe off. LOL. I have moved to some aluminum parts and found this site a long time ago after I polished a set of foot pegs.

Now I am restoring a buddies ‘81 Sportster. It’s my first big project. The bike has been rode hard and put up wet a number of times. The side covers and engine are pretty bad. I did use a power ball and some Mother’s just to clean off the oxidation. I knew going in I was wasting my time but I ordered the Aluminum & Copper Alloy Polishing Kit, so I had some time to kill. With any luck I should start tearing the bike apart and start polishing by this weekend.
Here is an after picture I polished the front cover for about 10-15 minutes. I did the emblem by hand. It is chrome so I want to make the cover match it. My Blackberry takes horrible pictures. I was too lazy to grab the good camera.

Sorry about the lengthy post. I’ll update this thread as I go. Be warned though, I move at the speed of a herd of turtles. Too many hobbies and not enough money.

Ken

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GENERAL Metal Finishing Company

September 2nd, 2010 at 02:47am Under metal finishing

In 1972, General Metal Finishing began supplying rack & barrel gold electroplating services to stamping, machining and glass-to-metal seal companies throughout New England. Through it’s commitment to quality and customer satisfaction, GMF has grown to be a nationally recognized leader in the field of specification plating serving the military/defense, aerospace, medical, telecommunication, automotive and commercial electronics industries. GMF’s philosophy is to constantly evolve and to respond to our customers needs. If we don’t currently offer what you require please speak to one of our customer service representatives. We’ll gladly discuss the feasibility of adding a finish or service.

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