Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: 123Cat
  • Content: Threads
  • Order by date
  1. 123Cat

    Electrical steel and wirecutting

    Good Morning Yes as the title If I manufacture a stator will that wirecut surface degrade my electrical quality Thank you
  2. 123Cat

    40mm Dia Stator

    I have wire cut a 40 mm 12 tooth , 0.5 mm lamination thickness stator piece , there are 16 pieces Im doing a skip tooth Classic LRK wind large prop at about 4000 RPM Do I need to anneal the stator pieces after wire cutting Does wire cutting greatly effect the properties of the steel or...
  3. 123Cat

    Oxide layer on EDM cut Austenitic SS

    How do you remove that dark oxide layer on SS Portions of my parts are very narrow with small holes 3mm and I cannot quite get the TIG brush in the area Also ,,, Tig brush creates heat which can warp slender parts Can you recommend some powerful pickling ???? Thank You
  4. 123Cat

    Demagnetise Al Bronze

    Its 10 Al 68 Copper and 4% iron Turned out more Magnetic than 316 So Can it be removed by electric means I dont want to heat very high as they are longish bars Thank You
  5. 123Cat

    SS for high Salt Water ?

    Colleague, has a SS tube 30 Dia by 400 long with an oil seal type running on the 30 dia Slowly Usually wet But can turn dry Approx 10% salt water Looks like a galvanic type corrosion at the seal area No heat involved Can you recommend a metal , SS ? I dont think plastic will do...
  6. 123Cat

    Melt manganese

    I need a pill 2mm Dia by 1 thick with a 1 hole thru , pure I have manganese powder can it be vacuum melted in say a 3mm pyrex tube , then machined to size I hear its hard and brittle , what Rc would that be Thanks
  7. 123Cat

    SS Stability

    In Astropysics equip there is a tendancy to use SS for bearing elements No rust I worry that some parts I make such as a bearing elements from 316, at dimensions 120 x 60 by 12 thick out of bright bar What is your estimate of stability over time with out heat treat
  8. 123Cat

    431SS losing it quality

    Good afternoon I am tempering 431 in the range that adversly effects corrosion resistance I suppose its the chrome thats depleted Final hardness is 42 Rc My part runs at 40,000 PSI in pure water Would pressure also deplete corrossion resistance
  9. 123Cat

    Molybdenum Hafnium Carbide ,,,,,, Machining

    Good Morning I have to screwcut , some 30mm Dia bars of this Matl used as a pressure vessel , 40,000 PSI / 800C Can I get an idea of the machining characteristics Thank you
  10. 123Cat

    Large area measurement

    Have got a room size vacuum system with inside parts that need accurate alignment relative to one another Height wise too Is there a large laser or similar system that will resolve about 10 thou in 3D The aero people must have this down pat with their big structures Thanks
  11. 123Cat

    Sintering of Aly

    With sintering,,,, the metal is not melted as in casting Its compressed then heated to below its melt point Is this right ? Thats the question thanks
  12. 123Cat

    Stalling Torque

    I have a Hydraulic motor that is 19 ft/lbs at 2000 PSI What would the stalling torque be? ,,,,,,, much higher or maybe not Thanks
  13. 123Cat

    Wheel for cylindrical or surface grinding 316 Stainless

    I guess a Silicon Carbide type wheel But are there any modern specials or designations that are good? Thanks for any replies
  14. 123Cat

    Stress relieve 316, forging

    How can I stress relieve a largish 316 forging after machining, its 500 by 400 by 900mm Thanks
  15. 123Cat

    PS

    Great minds What does PS mean in relation to Horsepower Thanks 123Cat
  16. 123Cat

    Wheel Speed

    Im running 3,800 ft/min on a 38A grinding Wheel on a High Speed Steel Job this is a bit slow isnt it? Thanks 123 Cat
  17. 123Cat

    Stress relieve 12% Silicion Aluminium

    Does 530C then turn the oven off sound good to you ? I think thats it Thanks 123Cat
  18. 123Cat

    One Way Sprauge Bearing

    Can any of you fine men tell me where I can get info on fitting these bearings For Eg a 10 mm OD bearing , What size hole is it' a 10mm reamed hole or a reamer that cuts 1 thou under size I want to get it right so the bearing works correctly Many Thanks 123Cat
  19. 123Cat

    Stability of 316SS, without heattreatment

    Im machining a V block from 316 SS ,,,,,450 long by 70 mm square And it has to stay dimensionally stable within 1 thou over about 20 years Im doing it out of bar stock If I just rough and machine it without any heattreatment would it be OK And also can you recommend a heattreatment to...
  20. 123Cat

    Special Oil

    Im looking for the oil or additive that helps 2 stroke GP 125CC engines survive at the end of the sraight when the throttle is closed There is one 123Cat

Part and Inventory Search