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Recent content by Junid

  1. Junid

    Drilling hole of 0.0310" with deepth 0.91" of AISI 304L

    Hello, I need your help for drilling AISI 304L. The holes diameter is 0.0310" ± 0.0030" and the holes depth is about 0.9100". I found a tool of Walter which has a spiral length of 0.98" and total length of 1.81". Walter catalog number is A1511-0.8 The questions are: 1. Is it possible to make...
  2. Junid

    a dressing machine made befor 35 years

    The thread is a Trapezoidal thread The major diameter is 0.5440" The pitch is 7 threads per inch
  3. Junid

    a dressing machine made befor 35 years

    the thread is a Trapezoidal thread, and today and it is a Swiss machine
  4. Junid

    a dressing machine made befor 35 years

    Hi, I need a help about a dressing machine. on the machine there are two cards: first card: S.A. Muller Machines-DUTILS Bienne-Suissa Second card: Gebruder ZallaZ AKTIEN-GESELLSCHAFT GRENCH/SCHWIES this machine...
  5. Junid

    measuring a radius

    Hi, I have to measure the radius of a needle. I attached a drawing of needle, where you can see that the dimension of the needle radius is R=0.2032 ± 0.0025 (0.008"±0.0001"). Today we use a "Conefocal" microscope (the system bolong to another company, and very expensive, price of 60,000 $) We...
  6. Junid

    heating a ring

    After I changed the tolerance I press the ring without heating, and I checked the result and it is ok. When I installed the ring with heating the dimensions of it were changed and it become non-cylindrical. For your information the grade I use is IC4, and I think that cooling the shaft (tungsten...
  7. Junid

    Hydraulic press

    Hi, I am searching for a hydraulic press with at least has 3 axes. I need to press a tungsten carbide and ceramic. So if anyone knows about a good one please tells me the manufacturer.
  8. Junid

    heating a ring

    I changed the tolerance of the ring to P7 so the tolerance now is 3.175 -0.0003" -0.0008" I wish pressing without heating will be sufficient to install the ring
  9. Junid

    heating a ring

    The ring dimensions are: 0.195X0.079X0.125 Out diameter: 0.195" Hole: 0.125" Height: 0.079" The ring located about a 0.234" from one side of the shaft, and in the other side is 0.3563" (shaft lenght is 0.669") The purpose of the ring is a stopper in the machine. One of the considerations is that...
  10. Junid

    heating a ring

    Hi, I want to install a ring on a shaft. The shaft is a tungsten carbide. The ring is a AISI 303. The ring must be installed with a press tolerance, to insure no movement of the ring. The dimension of the shaft is: 0.1250" h7 (0.1250" +0.000-0.0005 ) The dimension of the ring is: 0.1250" R8...
  11. Junid

    Hole measuring

    Hi, I need a help. In my company we measure the hole by comparator, so the worker take the piece from the machine after grinding and measure the hole. I want to measure the piece without disassembling it from the machine. I thought about a screen touch, and microscope which give me a picture...

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