1. JNJ MACHINES PVT. LTD. www.jnjmachines.com “ KEY MACHINING JOBS EXECUTED SO FAR”

2. GASSIFIER SHELL WEP MACHINING CTQ: Gassifier main shell cutout machining. Weight 115MT. Complete profile made with 3D programming.

3. RUNNER HUB OF KAPLAN TURBINE CTQ: Machining of concentric bores with in 50 micron. Also indexing of openings in 60 degree. For 50 MW hydro power plant.

4. ASH-LOCK CTQ: Very long cycle time job where the line boring concept is used and maximum length of bore is 1.9mtr. All bores concentricity maintained with in 100 micron w.r.t to each other. Customer inspection is through FARO. IT has boring from Dia 18 to Dia 560

6. CONDENSER TUBE PLATE DRILLING FOR BHEL BHOPAL CTQ: Condenser tube plate 40 mm MS + 8 mm SS cladding, dia 28.85 mm hole which requires Ra 3.2 finish, 11484 holes. For 770 MW super critical nuclear power plant.

7. TILE PLATE FOR ISRO – MARS MISSION CTQ: 10mm thin aluminum sheet where after machining of 400 pockets the final thickness left was 1mm. Also we made some 1500 holes of M1 to M2.5. Complete plate parallelism was in 20 micron.

8. TURNING OF SHELL OF PETROBAS CTQ: Maximum dia job that we have done in VTL- 5400mm. Made both side lip and NUB.

10. TUBE SHEET CTQ: Flatness required with in 50 micron all over.

11. DC Gasket for ammonia convertor CTQ: Very thin section requires delicate handling and machining. For this section concentricity required was with in 50 micron.

12. DOVE MACHINING FOR CALTIM CTQ: Complete spherical machining, we also had to ensure that thickness to dome should not go below 120 mm at any point.

14. CHANNEL HEADER CTQ: Dia 1100 Acme thread profile generation using helical programming

15. ROTOR GUIDE PILLAR FOR 660 MW ROTOR ASSEMBLY CTQ: small cross section where the parallelism required with in 20 micron.

17. 3D PROFILE WELD EDGE PREPARATION FOR MHI BOILER CTQ:

18. SEAL GROOVE MACHINING FOR DOOR OF FUSION REACTOR

19. SEGMENT PLATE SS 316 L 14meter Length with 14meter O.D 60⁰ Segment Plate Machining for Nuclear Fusion Cryostat

20. MBA Bearing Casing for FD, ID & PA Fan

21. 3D Pipe machining PIPE WEP CTQ: Pipe WEP machining with 3D programming.

22. SKIRT PILING CYLINDER CTQ: We did 5 mtr long bore of dia 1800. Concentricity in 5mtr was with in 0.5mm.

23. COMPLETE VIEW OF HBM MACHINE

24. INSIDE VIEW OF VTL MACHINE

26. PLUMMER BLOCK ASSEMBLY COVERS FOR JSPL RAIPUR CTQ: All fittings are push fits and assembly with Plummer block is in the scope of JNJ

27. PLUMMER BLOCK ASSEMBLY PLUMMER BLOCKS FOR JSPL RAIPUR CTQ: All fittings are push fits and assembly with Plummer block is in the scope of JNJ

28. Parts For Main Bearing Assembly of FD, ID, PA Fan PARTS FOR MAIN BEARING ASSEMBLY OF FD, ID, PA FAN CTQ:

29. REPAIR OF CASING FOR RELIANCE CTQ: It was first repair kind of job where all four Pad after machining maintained with in 10 micron.

30. GAS TURBINE CASING FOR 220 MW POWER PLANT CTQ: Modification of GE design casing to enhance the NTPC power plant capacity. All modification required with in 1thou.

31. GRINDING TABLE FOR COAL PULVERISER CTQ: Grinding table for 32R VRM. MHI design.

34. Site Address: 762, GIDC Ichhapore, Hazira, Surat - 394510 E-mail: mail@jnjmachines.commail@jnjmachines.com Contact No.: +91-261-2840530 CONTACT US