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Recent content by thejackal3

  1. thejackal3

    cracking occured in en 19 shafts after induction hardening

    dear all of lately we are having this problem .picture attached for ur ref.. we have 10 to 15% polymer added.earlier we were not facing this problem.. out of 200pcs lot 10 pcs break from the exact position.. regards...
  2. thejackal3

    cracking occured in en 19 shafts after induction hardening

    thanks alot for you valuable advice..
  3. thejackal3

    cracking occured in en 19 shafts after induction hardening

    Dear all we manufacture rock shaft for tractors. material EN 19 with hardened n tempered with hardness 30 -35 HRC.after finishing we have to do induction hardening the splines and required case hardness 45-50 HRC case depth 2-3 mm..After induction hardening we are getting 55 to 57 hrc quench...
  4. thejackal3

    Dear All Required to know about cn

    dear Tmoose yes steady rest uses roller bearings and still new and havenot changed them.there was no crash reported at the time of mark beginning..please find the axle shaft installed on machine with steady rest...
  5. thejackal3

    Dear All Required to know about cn

    Dear All Required to know about cnc with steady rest.. we manufacture rear axle shafts.. recently getting a prominent tool mark on our axle shafts where we clamp with steady rest.for ref have uploaded a pic of that..kindly required ur expert views on it.. regards...
  6. thejackal3

    surface hardness

    Dear all We are facing a different problem in induction of rock shafts of tractor.we have inductotherm medium frequency induction hardening machine. we required 2.5 mm to 3 mm case depth at 45 hrc in there and surface hardness is 50 hrc after tempering.we are getting proper depth when u cut the...
  7. thejackal3

    splines are tight in bevel gear

    Dear all we got a problem in axle shaft. some of the axle shafts are tight in bevel and in some bevel is not enetering.axles are induction hardened.is there any way we can repair splines which are not entering.or tight. Regards
  8. thejackal3

    tempering en 19 shafts

    thanks for the valuable insight. Dear TVP kindly suggest how much time should we give at 370-425 C (700-800 F) to attain hardenss between 45 - 50 hrc. thanks n regards
  9. thejackal3

    tempering en 19 shafts

    thanks for the valuable insight. Dear TVP kindly suggest how much time should we give at 370-425 C (700-800 F) to attain hardenss between 45 - 50 hrc. thanks n regards
  10. thejackal3

    tempering en 19 shafts

    Dear all we manufacture rock shaft for tractors. material EN 19 with hardened n tempered with hardness 30 -35 HRC.after finishing we have to do induction hardening the splines and required case hardness 45-50 HRC depth.after induction hardening quench hardness is 57 on the center spline and on...
  11. thejackal3

    EN19 Shafts induction

    thanks all for the valuable information.
  12. thejackal3

    EN19 Shafts induction

    Dear all we manufacture rock shaft for tractors. material EN 19 with hardened n tempered with hardness 30 -35 HRC.after finishing we have to do induction hardening the splines on both the ends and required case hardness 45-50 HRC depth 1 mm... recently in final inspection we found some rock...
  13. thejackal3

    EN19 Shafts induction

    Dear all we manufacture rock shaft for tractors. material EN 19 with hardened n tempered with hardness 30 -35 HRC.after finishing we have to do induction hardening the splines and required case hardness 45-50 HRC depth 1 mm..Is it ok if we induction hardened these shafts in water or it should be...
  14. thejackal3

    barber colman spline hobbing model no.?

    required help in getting to know the model no. of barber cokman spline hobbing machine,picture is attached herewith. Regards
  15. thejackal3

    normalizing after forging

    Dear Friends required ur expect advice, we are OEM manufacturers of axle shafts and earlier we used to follow the same pattern of oem towards our domestic customers, but due to price appreciation and like many other bigs vendors we have to skip one process of Normalizing to save a substantial...

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