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Recent content by roozle

  1. roozle

    Worm Wheel moment of Inertia

    Can anyone point me in the right direction regarding calculating worm wheel inertia of a worm wheel gearbox. I assume the motor will have the worm attached so i will inore this. Rgs, Highest Regards, Roozle
  2. roozle

    Die-cast Zinc Vs Aluminium castings

    Can anyone advise me what problems I may encounter if I change from a zinc die-casting to an aluminium one. This is based on the existing casting tool being worn and I can introduce a big cost saving using aluminium. I understand I may need to increase rib thickness in certain areas. Any help...
  3. roozle

    Maximum load on

    Does anyone know a simple calculation to calulate maximum raidal load on an over-hung shaft (i.e - dc motor) supported by 2 ball bearings spaced? Cheers, Highest Regards, Roozle
  4. roozle

    Suppliers/Manufctures of special gears/ratchets.

    I am looking to buy some special form ractchet type wheel/cam (and eventually pawls) from our customers drawings. They are profiled across the teeth also. These are NOT standard off-the-shelf parts. I am having problems sourcing a supplier to manufcture them. Please advise if you know of any...
  5. roozle

    Ratchet and pawl manufactures

    There are various materials that this part is manufactured to. Depending on the indvidual application. Some of the materials are super alloys hardened to 57 HRC. The hardening could be carried out after the machining. Highest Regards, Roozle
  6. roozle

    Ratchet and pawl manufactures

    Intellectually. I need a manufacturer, do you know of any at all in the world.? Highest Regards, Roozle
  7. roozle

    Ratchet and pawl manufactures

    ......in this area of expertise.???!!!!! Highest Regards, Roozle
  8. roozle

    Ratchet and pawl manufactures

    I am looking to buy some special form ractchet type wheel/cam (and eventually pawls) from our customers drawings. They are profiled across the teeth also. These are NOT standard off-the-shelf parts. I am having problems sourcing a supplier to manufcture them. Please advise if you know of any...
  9. roozle

    Boronizing

    Thanks for the info. Cheers, roozle Highest Regards, Roozle
  10. roozle

    Boronizing

    Boronizing, I understand this is an old fashion word. Is this similar to case hardening? or is it a differnt process. If somebody could shed a little light on this process. Thanks, roozle Highest Regards, Roozle
  11. roozle

    Welding opf MP35N

    Can MP35N be welded.? Also known as: UNS R30035; AMS 5758; Carpenter/Timken Latrobe MP35N. Thanks, roozle Highest Regards, Roozle
  12. roozle

    Stainless Steel A127 or A078

    Can anybody help me I am looking for Stainless Steel with a spec A127 or A078. Maybe there is an equivelent grade. I think It maybe a french specification. Thanks, roozle Highest Regards, Roozle
  13. roozle

    Life of toothed belt..

    I have a geared speed reducer with a toothed belt drive at the output. <Problem> - I am experiencing problems with the life of the belt. It is breaking after half the life of the reducer and I cannot increase the size width of belt due to size constraints. I have tried different materials of...
  14. roozle

    Worm Wheel gearbox - Pressure build up

    I have an application where I am employing a worm-wheel gearbox in which I am using a grease of '01' or '00' consistancy and i am getting a pressure build-up after a few minutes of running and the grease is migrating through the ballrace and potentially into the motor... I have introduced a...
  15. roozle

    Rubber coated Pinch wheel

    The problem is I will only ever be making one pair of pinch wheels and I don't really want to invest in a mould tool. Does anyone know if a 'glueing' process is adequate.? Thanks, Highest Regards, Roozle

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