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  1. kagan

    Carbide beginner!

    Inner coolant pressure? (must be more than 70 bars) Is there any pilot hole? Blind or through hole? If through, output face specs, angle with axis? Material? cutting parameters? Run out on the tool at machine spindle? Tool holder type? Coolant Type and concentration? It is not easy to say exact...
  2. kagan

    High Speed Machining Parameters

    Search and try Iscar chatter free type end mills. They have really high speed
  3. kagan

    New Machine Analysis

    I think most important item is to find the metric stuff such as screws or other simple things. A simple stupid srew can stop your machine in future. Careful
  4. kagan

    Machine Tool Specification

    It is exactly related with the requirements. 1-Table size: Should adaquete to fixture dimensions that you want assamble. 2-Spindle taper. Hsk type spindles will give you high presicion on run out and high turning speed but they are not strong enough against a collusion as SK types. It is a...
  5. kagan

    Part mating - Coding

    Marposs or Mercer type air gage can help you.
  6. kagan

    37 Degree JIC hydraulic fitting torque tools

    If it is not has to be air driven you can find such tools in George Renault, Atlas Copco and Ingersoll Rand. All these brands produce torque device with control systems. You can control pre-torque, final torque and torque angle. Also you can develop tighteenin prsedures such as first tighteen to...
  7. kagan

    Tapping Question

    If you have a CNC, thread milling can be a solution. Or you can calculate the feed rate per revolution TPI/25.5 then make a syncronization among the cutting speed and feed according to that value.
  8. kagan

    How to purchase a CNC laser machine?

    You should consider - The material type that will be marked. Because Laser source will be defined with that information. CO2 or diode type for example. - The marking surface: ND YAG type lasers gives you a white marks on phosphated steel surface, but also black marks on machined surface...
  9. kagan

    10:1 ratio long tools

    www.schunk.de They have a toolholder system which name is Tribos. Once a time I searched the min tool holder diameter for the same shank in a group consist of shrink, tribos, weldon, hydrolic types. The result was tribos. Jck26 is definitely right. Prepare your tool with min length. If you...
  10. kagan

    Inspection Accuracy VS. Dimensional Accuracy

    The nominal dimension is not important. The tolerance band width is the key. For example if you have a band of 0,002 so you must use a device with an accuracy of 0,0002 at least. Also you can group your dimensions according to their importance. If you will use SPC, 1/10 is a good choice. But if...
  11. kagan

    Recycling of used tungsten carbide inserts

    sandvik also recycle the carbide inserts
  12. kagan

    Tap drill sizes for UNJF threads

    D(inch) drill dia (mm) nr 4 2.4 nr 6 3 nr 8 3.55 nr 10 4.15 1/4 5.55 5/16 7 3/8 8.6 taken from Emuge catalogue
  13. kagan

    Turning Thin Walled Stainless Steel

    Timelord is right. It will work and best for small quantities. Another solution is using hydrolic expanding chuck or collet for inner diameters. You can find such companents in Röhm, Schunk, Hainbuch and Emuge. These products are good for serial productions less load unload time...
  14. kagan

    Perfect Spot Faces

    If you use super finishing machines for surface grinding such as Supfina, you can reach a flatness of under 1 micron and Ra 0,2. But this is the expensive way. I don't suggest you to make grinding operation at your CNC because of the grinding wheel granules. Also you can first make a spot face...
  15. kagan

    Machinist sayings or "quotes"

    Impossible is only in your mind
  16. kagan

    Long stringy chips while boring

    Check your contact angle. I mean check your tool and insert for being positive or negative. Also try CXXX type insert
  17. kagan

    Electrochemical Machining? "ECM"

    Also you can visit these useful sites. First one inculudes general information abour deburring, some animations. You can find theorical information about ECM on second web site. Please consider that ECM (electro chemical Machining) is not same as ECD (electro chemical deburring)...
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