Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations KootK 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: *

  1. alliedtrans

    spline rebuild option

    The best option would be to weld and then remachine again but keep in mind what material you use for welding as you need to machine later as well. Hope that helps
  2. alliedtrans

    Buying used gear cutting machinery

    Hello All I am a gear manufacturer from India and have been in the business only a couple of years. I will soon be going to italy to purchase used machinery viz Hobbings, shavings, rounding etc. and have very less experience in buying machinery. Could everyone please help me as to the check...
  3. alliedtrans

    Straightening for Rings post heat treatment

    Hello I have a component with OD 228.7 mm with material composition EN 15. We heat treated it in a salt bath furnace with marquenching to achieve a hardness of 53. Now we are in a big fix as the OD distortion is more than 1mm and we have tried straightening with a ring type fixture and using a...
  4. alliedtrans

    Induction Hardening for Low Carbon Steel

    Thanks TheBlacksmith for your reply.. i had heard something of the same nature.. Can you please let me know which surfactant to add to water for hardening 20MnCr5 to achieve a hardness of 50-53 HRC.
  5. alliedtrans

    Induction Hardening for Low Carbon Steel

    I know that the results will not be comparable but the items I am talking about are synchronizer components for a gearbox and some manufacturers have been using induction with changed alloy steel chemistry to fasten their production. Hence I wanted to know if it can be done and some details as...
  6. alliedtrans

    Induction Hardening for Low Carbon Steel

    Hello I wanted to know whether 20MnCr5 with some modifications can be hardened through Induction Hardening. So basically can a low carbon steel be hardened through induction? Regards Ankur
  7. alliedtrans

    How to calculate forging weight

    Hello Thanks for your replies. Can someone please tell me how to add tolerances for forging stock for draft, radii/fillets, surface flatness, decarburization, etc. I mean what percentage of the net weight should i add for these processes? I calculate volume and then multiply with the density...
  8. alliedtrans

    How to calculate forging weight

    Thanks a lot for your reply! Is there a software I can use where I input the final drawing or dimensions and get the forging weight (net and gross).. Thanks Ankur
  9. alliedtrans

    How to calculate forging weight

    I am a gear manufacturer and have newly entered the field. Can someone please tell me the methods to calculate the forging weight which my suppliers calculate or if there is any software available for that. The materials I use are either 20MnCr5 or EN 8. Any help would be greatly appreciated as...
  10. alliedtrans

    Heat Treatment Queries

    Thanks Terry for your answer. Was the first time I posted a query and really happy to see experts reply. Should I increase the case depth to 1-1.2 mm for better results in service life? Ankur
  11. alliedtrans

    Heat Treatment Queries

    Thanks a lot for your reply. Really appreciate it. Should I use EN 353 for smaller gearboxes. I use 20MnCr5 for gears for trucks and it works fine but I am facing this issue for the first time as this gear was fitted in a smaller corolla gearbox. Could you please let me know where I can get a...
  12. alliedtrans

    Heat Treatment Queries

    Hello I am new to the forum and had a couple of questions: 1. What should be the case depth for gears which are fitted in the Corolla Car and Minivan gearbox as I am receiving complaints of broken gears. i used 20MnCr5 with a CD of .8 to 1mm. Should I used EN 353 and if so can someone please...

Part and Inventory Search