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Recent content by nilcram

  1. nilcram

    Looking For Texaco Quenchtex or Shell Voluta Quench Oil

    I am having a difficult time finding sources or vendors who sale Texaco Quenchtex or Shell Voluta Quench oils. I have called Texaco corporate to get the usual automated phone run around. No luck with Shell either. I am simply looking for a vendor who has one of the two so I can get a quote...
  2. nilcram

    How To Vent An Industrial Gas Oven

    I am in the process of having a large industrial oven installed. It is gas fired, and it has a max. temperature of 1200F. My contractor is struggling to find a code accepted way to properly vent this oven. The exhaust blower housing is designed for 8" flu pipe, but my contractor is not...
  3. nilcram

    Material for Roll-In Furnace Cart

    I am in the process of installing a used, walk-in tempering furnace, and I need to design/build a new, roll-in cart for this furnace. The furnace will be operated at 800 F temperature, but it is rated for 1200 F. The current furnace cart is in rough shape, and it is not strong enough to handle...
  4. nilcram

    Corrosion inside pump cylinders

    I have the challenge of eliminating a corrosion problem in a grout pump cylinder. The current cylinder construction is quite basic. Low carbon steel (1012 or 1018) that is machined and heat treated. Heat treat process consists of a gas nitriding type process followed by oil quenching. This...
  5. nilcram

    Rotary Gear Flow Divider

    hydromech, many thanks for your helpful insight. I will be talking to Slack and Parr, and Bucher to see what they have to offer. Again, thank you for your help. Nilcram
  6. nilcram

    Rotary Gear Flow Divider

    I am looking at purchasing a Rotary Gear type hydraulic flow divider. My limited research has indicated that you get what you pay for with these products. With that in mind, I am looking for a very high quality Rotary Gear type flow divider. I have located a few suppliers, but I don't have...
  7. nilcram

    Localized Surface Hardening

    metman, thank you for your post. Copper plating is something I will need to learn more about. It sounds promising. I won't be able to retap the threads after Copper plating, because this thread has to be single pointed on a CNC. It has a taper (1-2 degrees) and multiple thread starts...
  8. nilcram

    Localized Surface Hardening

    Good question. The diameters range from 1.25" up to 4.25". The thread is pretty much as deep as it can be without major design changes. The threads are currently peened. Althought the advantange is minimal due to the fact that when the thread erodes away from the percussion, the compressive...
  9. nilcram

    Localized Surface Hardening

    I am in search of a surface hardening process that can be contained to specific areas of a part. I am designing a system that is being driven into the subsurface with a hydraulic powered percussion hammer. The design calls for a series of tubular rods that are threaded end to end with a...
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