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May 19, 20221 min read
Optimal diameter of knurled products
Regarding the “knurled“ turned parts such as Shafts, Pins or Rollers, in some products require grinding as the pictures. If diameter A <=...


May 19, 20221 min read
Broaching dimension optimization
One of major trouble when broaching on the lathe-turned parts like shafts, pin, are too shallow depth of the pilot hole (shown “Z” in the...


May 17, 20221 min read
Changing Solid Rods to Pipe material
Producing the machined products that have a hollow through-hole from Solid Rods material, it is necessary to drill the through-hole from...
May 17, 20221 min read
Changing to Annealed raw material
Annealing or magnetic annealing shall be done after machining process to stabilize the magnetic properties for some magnetic stainless...


May 13, 20221 min read
Changing corner shape for symmetrical turned parts
To prevent wrong orientation in assembly process, some turned parts such as pipes, collars or sleeves are designed symmetrically with...
May 12, 20221 min read
Grinding after machining process, instead of using ground material
Some products such as shafts and pistons that require precision tolerances in surface roughness and cylindricity. In some cases ground...


May 12, 20221 min read
Plating improvement by product design change
If there is a stop hole(Upper picture) in the machined parts such as shafts and valves to be plated, it is difficult for the plating...


May 11, 20221 min read
Removing topological phase relation notation on drawing
There are cases where "topological phase relation" such as D-shape milling surface is indicated on cylindrical shape parts such as...


May 10, 20221 min read
Thread Rolling / Knurling
Threading by machining can produce a high-precision screws, however the machining time is longer which resulting in higher production...


May 6, 20221 min read
10-minutes Virtual 'E&H Thailand' Factory Tour
Our new 10 minutes video are ready for you to "Virtually" Tour our Asia's Largest CNC Machining Lathe Parts Factory E&H Precision...


Jan 14, 20191 min read
Introduced IoT & AI system
Location: Microsoft (Thailand) Limited At E & H, we have developed and introduced the IoT system that enables us getting the operating...
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