Heat therapy is usually more effective than cold at treating chronic muscle pain or sore joints caused by arthritis. The recrys­ tallization temperature is commonly referred to as an indicator of the temperature at which metal must be annealed for softening. However, heat treatment specialists do have a general rule of thumb: one hour for every inch of cross-section in the thickness. Trigger finger is a condition in which a finger or thumb becomes temporarily “stuck” in a bent position due to inflammation in the tendon sheaths. Longer tempering times are not detrimental and it is essential that the steel is soaked at temperature after the steel catches up with the furnace temperature. Specifically the rule states that non-ionizing radiation injury is easy to avoid because the heat it generates causes pain. Medications. I suppose there won’t be a rule of thumb then. The goal of treatment is to reduce inflammation in the tendon and sheath to allow unimpeded tendon movement. Nonsteroidal anti-inflammatory drugs — such as ibuprofen (Advil, Motrin IB) or naproxen (Aleve) — may relieve the pain but are unlikely to relieve the swelling constricting the tendon sheath or trapping the tendon. Treatment options for heat damage will vary according to how damaged ... cutting a couple of inches is probably the best way to minimize the appearance of heat damage. At E.L.H.T., we are proposing the following heat treating … Trigger finger treatment varies depending on its severity and duration. I would like to add some important information pertaining to microwave rule of thumb 51. Types of heat therapy applying safe heating devices to the area. As trigger finger is caused by inflammation in the tendon sheath, this easy trigger finger treatment will also work on a tender, swollen digit. Specify the heat treatment cycle: When the specifics of the required heat treatment are known, then these can be communicated to the supplier when placing the order. Treatment. ... Re: thumb rule to calculate amount of electrodes required. This way you can specifically modify the material properties for your application. Both heat and ice are effective and convenient non-surgical treatments for trigger finger. Next comes the quenching step. When treating inflammation, it is commonly suggested to apply heat or ice to the affected area. The 61 Rockwell Rule* A-2 O-1 W-H 52100 D-2 O-2 W-2 1095 L-6 O-6 Carburized Mild Steel In addition to the “61 Rockwell Rule," there are a few other rules to be concerned with when other conditions are present. Exposure to microwave radiation at power levels below the pain threshold does cause heating in the lens of the eye producing cataracts. lization must be known to determine the proper heat treatment. Introduction/3 As a rule of thumb, the recrystallization temperature is approximately 0.3 to 0.6 of the absolute melting point. 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