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Type: Posts; User: graemeian

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  1. Replies
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    When I need a box, I usually use McMaster Carr. I...

    When I need a box, I usually use McMaster Carr. I consider their prices average retail. I order today and it arrives tomorrow and they never send junk. (..should get a package from them today.) I...
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    Looking for Hardware

    I go through a lot of hardware. Mostly common bolts and screws. Is there a discount online supply center where one can get bolts and screws.
    Thanks.
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    I made a Delrin tool guide and it worked great...

    I made a Delrin tool guide and it worked great after some adjustment. I had to put the inserts in PE. For a test, I put one in PTFE, the softest material I had. I got it right the second time. There...
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    I am the company and I never get those levels of...

    I am the company and I never get those levels of discounts. I have copied the helicoil insert tool design too. I have several small helicoil brand insert tools with broken catches. My concern is...
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    Installing helicoils in soft material

    I am waiting for my m3x.5 SPI tap and inserts to arrive later today. I did not spend the extra ~$100 for the installation tool. I just ground a groove in the hard part of some scrap drill bits. I...
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    Okums OSL 200M gives error in G3

    Help. This morning my Okuma VMC started going squirrel-ly. At the following code...
    G1 somewhere
    X-0.7157 Y2.3788
    G03 X-0.7269 Y2.3856 I-0.009 J-0.0022
    I put these values in CAD and both points...
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    1,508

    I just tried it with a file and it was hardened....

    I just tried it with a file and it was hardened. I needed to add another knurl groove near a step where the pipe cutter would not reach. A tool steel blank was used and raised enough not to cut where...
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    I only needed to knurl one part. I ended up using...

    I only needed to knurl one part. I ended up using my Ridgid pipe cutter. I put two small grooves on the landing and it worked great. I would still like to know why these knurling wheels did not work....
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    Knurling the tool instead of part

    I read a lot of these forum pages about knurling. Today, I over cut a bearing landing for a tapered bearing to slide over by 0.002". I want a tight fit. I have not used a knurling tool in years and...
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    Thank you all. I have two additional mitsubishi...

    Thank you all. I have two additional mitsubishi cutters that both take round inserts for mold contouring. One has two flutes and the other four. Yesterday, I used the two flute (1-1.25" cutting...
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    Thank you Mtndew. While in graduate school, I...

    Thank you Mtndew. While in graduate school, I taught physics at a technical school. Now I know why unit conversions were so difficult for some of the students to grasp.
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    I have contacted Mitsubishi about the rates. My...

    I have contacted Mitsubishi about the rates. My numbers are correct.

    Where did one get the idea that I had mentioned a feed rate of 10000 ipm? SPEED the rate the tip of the cutter moves in the...
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    As with the IPM, Mitsubishi list the speed range...

    As with the IPM, Mitsubishi list the speed range from 100 to 250 M/min. Multiply that by 40 and you get those values(10000IPM). Using a 3" mill with a ~10 inch circumference, the upper speed is 1000...
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    I have made simple flat cuts and have followed...

    I have made simple flat cuts and have followed the Mitsubishi literature to the letter. I also did some side cutting. I still get the same insert breakage. I get more breakage using the round...
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    I am using the ASX400. My depth of cut is always...

    I am using the ASX400. My depth of cut is always less than 0.040". The speed is from 4000 to 10000 ipm. With my 3" mill, I range from 400 to 1000 rpm. My chip load is about 0.005" per tooth or less....
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    Mitsubishi inserts giving issues.

    I have an Okuma CNC CAT 40 machine and I am using a 3" Mitsubishi mill to cut mild steel. It uses an SOMT12T308PEER insert. I have a 6 and a 8 insert holder and both are Mitsubishi brand. I am using...
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    Thank you. I remember the name Korloy from a long...

    Thank you. I remember the name Korloy from a long time ago. I found some on the internet and ordered them today.
    How do you think these rate with diamond for sharpness?
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    Cutting clear PVC

    We are cutting clear PVC on a small CNC lathe. The PVC is clean and not glass filled. Currently, we are using diamond coated inserts with the sharp edge for aluminum. I want the clearest finish...
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    I solved my moving without spindle rotation...

    I solved my moving without spindle rotation problem. There is a DNC button on the panel and a touch screen icon to turn off the condition.

    Here is another question. Is there a way to turn off the...
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    Start with G1

    For the ATC, I have learned to not touch any buttons when the ATC is in operation.
    I start all of my programs with something like the following: THE VALUES ARE ADJUSTED.
    G15 Hn
    G71 Z.5 (IT IS...
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    Looking for Wholesale prices on hardware.

    We purchase about $500 per month on screws, washers, and nuts. We get all of our hardware from McMaster Carr because we get it the next day via ground shipping and they never send junk. For the...
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    Thank you very much for your responses. The...

    Thank you very much for your responses. The plastic that I am cutting is a polystyrene blend. I seems to behave like acrylic. If you cut a little at a time, it cuts well. I want the sharpest flat-top...
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    Turning plastic

    We are CNC turning some plastic parts in a second operation process. The parts are thin. I am looking for a very sharp insert to give a good finish. Other than PCD, what insert grades provide a...
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