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  1. A

    Help with Spline Cutting

    I need to make a splined shaft with matching splined parts in a limited machine shop; The internal cutter seems rather easy to make. I will just create a broach holding tool roughly as follows, with a square key in the red zone and a slot for the broach at 60deg. The male shaft is the one...
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    Best Belt grinder belts for steel?

    I have a 6x48 belt grinder, the belts that came with it don't last more than a few minutes when working with steel. This doesn't seem right. I haven't done much belt grinding but I'd like to think that there's something better than that. Can anyone recommend what's the best belt out there in...
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    Need shop with a large bed mill on the east coast

    We have a job coming on a big weldment. 56"x62" overall travel required will be only about 16 inches x and y, but it will likely need at least about 60" under the spindle. Anyone know of any shops capable of handling this type of work. Ideally the shop would be in Connecticut or within a 4hr...
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    New old stock cord grip fittings

    I am trying to reclaim some space in a draw in my shop. I have for sale a bunch of these new old stock cord grip fittings. I have more of these things than I can use in an eternity. The big ones go for about 25 each new and the smaller ones are less I hope I've priced these at a range that you...
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    Biax power scraper

    I have the following BIAX power scraper. I have always wanted to take one of Richard Kings scraping courses, and acquired this year's back with hope of using it, however I'm not really sure that I'm ever going to getting to use it, and for the right price, I could use the money on a more...
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    Pneumatic Milling vise

    I have an Airlox 6-in size pneumatic vise here for sale. It has a little surface rust on it in some places but otherwise works fine. I've tested it on air. I picked it up years back but I do know production so it doesn't make sense to have it kicking around and taking up space. I could see this...
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    Do they sell spindle noses?

    I stumbled across the following photo on a machine for sale on Facebook marketplace. Someone took what looks to be a D1-4 spindle and mounted it on their rotary table. Now I want to get one of these for my own setup. Being able to grab the chuck off the lathe and move it to the mill would be a...
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    What's the best angle griding wheel these days?

    I need some more griding wheels for my angle grinder. After using hardware store wheels for years,10yrs ago someone on here recommended 3M Cubitron and the wheels just ripped off the metal, I have been using them ever since. Is there anything out there better than them out there now? Otherwise...
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    Consumables for Plasma Cutter

    I have a hypotherm PowerMax 800 plasma cutter that I haven't used in a long time and last time I did it turned out that most of the consumables were spent. Now it's time to invest in a bunch of new consumables for the torch. I see that there are a lot of companies now offering the parts does it...
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    Emergency planning for hydraulic injection injury

    This topic came up at work today. Hydraulic injection injuries are an incredibly scary thing that requires emergency surgery right away. The problem is that initially the injuries don't look that serious and often hospitals will send a patient home with minor treatment only to have them return...
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    Recommendations needed for small screw driver

    I have a product that I make that requires screwing in a lot of small screws. Don't know the size they're metric, but we're talking screws maybe 3/16 long or so. Problem is they are made of stainless and non-magnetic and they fall off the screwdriver when you try to pick them up. I've been using...
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    Is safe to buy a used air compressor?

    I was wondering what the general opinions are on buying a used air compressor? Pretty much all of my tools are bought used as my preference is to buy quality used tools versus cheap new ones. I need something primarily for sandblasting which I think puts me in the 5hp 60+ gallon tank range if...
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    Are tailstock turrets any good?

    Often times it seems like it would be really handy to have a turret for the tailstock when making multiple parts on the manual lathe. Before I waste my money are the morse taper turrets that they make any good or are they overall about as flimsy as they look? I would be looking at a MT3 for...
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    Best way to buy/ship expensive item online from UK without getting scammed?

    I found an item in the $2K price range on Ebay. I was the 2nd highest bidder. Seller messaged me after the auction with a photo of his email said the buyer backed out. I think the story seems ok. He's willing to relist on Ebay but says that we need to wait till Ebay offers another promotion as...
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    Do auctionzip auactions hide your max bid like eBay?

    There's some lots coming for sale soon on auction zip that I am interested in but not willing to take a day off of work to watch all day. I would like to just put in my max bid and check my email that afternoon to see if I got the stuff. I know I have heard with bidspotter the auctioneers can...
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    OT Help needed troubleshooting Hot Water Heating System

    Anyone here with experience troubleshooting hot water heating systems? My house has a boiler in the basement. There's a circ pump that goes up to 2 zone valves. Off the zone valves the system splits into 2 separate loops one on each side of the house then it all returns to a common feed. The...
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    Accounting when selling a small product line

    I have been producing a little product as a side hobby. Typically I sell maybe $2-3,000 a year thru PayPal. I am thinking about doing a bigger run of my widgets, hoping to maybe able to clear $10,000 in revenue with the product if made in bigger quantities but I don't see it getting much more...
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    Recommendations on what to do with a 2Axis Prototrak Edge Knee Mill?

    I am not sure if this belongs under the CNC topic as a Prototrak mill is a lot less of a machine than what is typically discussed over there so if it needs to be moved moderators please do so. None the less the controller on the 2006 era 2Axis prototrak Edge controlled Bridgeport clone mill at...
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    Sudden shift in a 3Jaw chuck?

    I have a pretty new 3Jaw chuck it used to run true within 0.001" or so. I was doing some work with heavy chatter and next thing I know the chuck has about 0.025" runout on it. I indicated the OD of the chuck and that's true within 0.004" which from memory was about right to how I set it up...
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    Tips for adjusting spindle bearing preload on a lathe

    My Emco V13 (essentially a modern mid 1990's Austrian made gearhead lathe) chatters way too much when parting off parts so much that its scary. Lately it seems as though it's even chattering more often on normal cutting, maybe 0.050inches DOC in steel. It never seemed this bad in years past...

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