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Keep your eye out for the next edition of Manufacturing News (SE, SW, Midwest and NE). Intricate EDM, a shop using HEAT on their SP43, is featured on the cover.

They're acheiving amazing results with this new technology!

The general accuracy rating for HEAT at 4.0” tall is:

Accuracy:
±0.0002” (±5µm)

Straightness:
0.0002” (5µm) total – T.I.R.

The general accuracy rating for HEAT at 4.0” (152mm) tall is:

Accuracy:
±0.0003” (±7µm)

Straightness:
0.0005” (12µm) total – T.I.R.

HEAT has been developed for 1 and 2 pass machining. This available process and technology will meet or exceed conventional systems results for both accuracy and straightness. A large majority of job tolerances will be meet or exceeded with this available technology.

An account emailed to me from one of our field guys--

We just did a test cut for a local Detroit company using HEAT. This was a HEAT Technology test cut, and I am very pleased with our results. This customer currently uses a competitor's machine to cut this part. We beat the other machine's roughing speed by about 30%...and the amazing thing is that this comparison is with the other machine using 0.012” brass wire and the Makino using 0.010” brass wire!

Our roughing feedrate was about 0.050” per minute, and the customer has told me that they typical rough at about 0.035” per minute. This customer visited us recently to see the cut, and our estimated time of 8hr 10min using .010 wire was about 20-30 minutes faster than the estimated time on his other machine using 0.012 wire. The estimated time on the SP43 with .012 brass wire came out to 6 hours 57 minutes.  Our actual time using 0.010” wire was 7hr 30min!

HEAT technology has only been developed for steel materials, which include: Tool Steels, Stainless Steel, High Alloy Steels, Titanium, and Exotics. Thicknesses ranging from 1.0” to 12.0” are available (25mm to 300mm).

No. HEAT technology only applies to poor flush conditions, and cannot be combined with the standard “High Speed” optimum flush condition technology. However, a very large majority of jobs do not allow for optimum flushing, so the HEAT technology is very attractive and can be used for a large number of jobs.

No!  HEAT technology greatly increases the machining speeds of poor flushing conditions, but it does not reflect the fastest machining speed. We have dedicated “High Speed” machining technology that reflects the fastest machining speeds…which requires and utilizes “optimum” flushing conditions, and uses higher flushing pressures of 1.2 - 1.6 Mpa (174 – 232 psi).