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    Sandvik Cartridge CA tooling

    I was thinking of using the Sandvik CA type cartridge on a disc type fly cutter. Just wondering if anyone on here has done the same. It could be mounted on the face or on the outside diameter in a milled pocket with a drilled and tapped hole. Wondering if there is information on the max RPM you...
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    Colchester Mastiff. Mascott Coolant tanks, rusting, replacement, sealing.

    I currently doing some work on my Colchester Mastiff and I have the oil tank out. This machine has a dry sump and the pump sucks it up from the oil tank. The coolant for the machine sits above the coolant tank. I have seen one of these Colchester tanks rust through before and there were some...
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    Metric o-ring groove dimensions

    In regards to metric o-ring groove design, I have a male and female part that is 47mm (drawing attached for illustration purposes). From the chart below for static 2mm oring 2.8-2.6 width 1.60-1.55 depth Gives me a groove diameter of 43.9- 43.8 43x2 mm oring is available. My question is how...
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    Waldown 7" Bench Grinder with the side tool rest

    Hello All, I'm currently trying to track down a grinding wheel for a 7" Waldown grinder. I have contacted Norton in Australia and they do not supply this style anymore. Does anyone else have this style of bench grinder? I have found the following in the norton catalog but the recess is smaller...
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    Cincinnati Hydromtic mill, moving the machine

    Look for advice on how to carry out the rigging on this Cincinatti hydromatic mill for lifting with a crane. I cannot see any holes in the castings to place bars thru it from the photos. The machine ways approximately 5t. This machine basically looks like a single sided duplex head machine.
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    Line boring tools- what are some manufactures

    I'm looking for a 12mm round tool in the form of a straight shank boring bar, with the indexable tip at the 90-degree approach angle. The insert styles: CCMT and TCMT Any manufacturers that you know will be of help
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    Making cylinder and piston for a ram

    I'm making some cylinder shafts for a hi-ab crane jack legs for a truck, we can not get replacements. I know the pistons are welded on, not good from a maintenance point of view. My question is about the piston face having a recessed undercut, and the recess has a very slight dish to it. I...
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    EN 32A and EN 32B Steel Equivalent

    What is the equivalent of EN 32A and EN 32B (BS 970) Are these low carbon steel like 1020 bright?
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    Steel Importing to Australia

    Importing steel must be an involved process with knowing where to get it from and the quality control of it. I'm pretty sure only a small amount is produced here. I'm wondering were companies like Home - voestalpine HPM (Australia) Pty Ltd import their specialised steels from. The PG 4140 bar...
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    Hydraulic pistons with 45 degree o-ring seat

    Photo attached of a hydraulic rod with a 45-degree seat that matches the angle on the piston bore. The o-ring fits in the groove, I know some of you would have come across this style before. I was wondering if specifications chart exist for the groove depth. Looking at the...
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    Colchester Triumph 2000 1980's Square Head lifting

    Soon I will be collecting a Colchester Triumph 2000 around the last of the square head with a foot brake (correct me if I'm wrong). Can anyone tell me if these machines use UNC/UNF threads or Whitworth threads. The reason I'm asking is because I was going to lift the machine with a eye bolt in...
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    Hydraulic cylinder shaft clearance to piston

    Is there any specifications chart on the shaft size to piston bore clearance. The piston bore has the triangular groove for an oring. I've been using h9 on the shafts. Reason I'm asking is because some of the shafts I get are more the h11 tolerance. I have attached a rough sketch. The parker...
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    Bridgeport Clone Belt Slippage

    Currently I'm working on a Taiwan Variable speed mill. The noise that come from the machine is a belt slippage noise when over 1000 RPM in high and about 200 RPM in low. Sorry about the photos they uploaded at 90 degrees for some reason. First I already had the machine in the lowest speed in...
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    Hydraulic cylinder gland thread oval from weld on fitting

    I'm wondering what is your technique for reducing the heat for when using weld on fittings on to hydraulic tubing. The tubing has a internal thread of 3.250" UN-12 thread. There is one tube that is about 0.030" out of round. To add to the problem, what are the different techniques to pull it...
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    Face o-ring for hydraulic piston

    I'm looking for machining information on this face o-ring groove on a hydraulic piston. The step is 0.070" deep, groove diameter 1.250", the shaft diameter is 1". The step has about a 10 degree taper. I assume the o-ring CS is 0.125". Is there charts about these types of grooves for machining?
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    Digital hardness tester

    Looking to hear from people that have experience using the digital hardness tester. I have attached a link. It does Leeb, Brinell, Rockwell A,B,C, Vicker, Shore. Will this tool assist me in anyway for a unknown piece of material. I reproduce a lot of pin and shafts. Q520 - 50-520 Portable...
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    O-ring fitting dimensions in socket

    I'm looking for a chart off dimensions for the following o-ring information. I have attached some photos of a 9/16" UNF fitting and a socket that matches welded onto the cylinder barrel. The o-ring is 1/2" ID x 1/16" CS. From what I could measure from the good socket the o-ring recess is...
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    Hydraulic rods attaching the eye, what your method

    I have been machining different chrome bar rods at work. The photo below is some 7/8” K1045 chrome bar, I planning to attach it together with a M5 screw by drilling a blind hole in both the eye and the rod end. These are some 1 ½” 4140 chrome bars attached to a 2” boss. I screwed them together...
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    Colchester Mastiff Trav-a-dial bracket: Colchester Clausing 21" Trav-a-dial bracket

    Colchester Mastiff Trav-a-dial bracket: Colchester Clausing 21" Trav-a-dial bracket Hello, Wondering who has any information on these brackets. I've attached a photo taken from the parts section in the manual. Looking at the parts I will be making a longer bracket so it does not interfere with...
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    PB 4 jaw chuck make over

    Four jaw chuck repairs. I have repaired my 16" PB 4 jaw chuck for my Colchester Mastiff. Its rewarding to get some more life out off it. The chuck was abused by the previous owner with the key becoming worn and making the internal hex crack and spread from usage. It would be nice to have access...
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