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Machining on Raw Material Surface
If there is “Machined Surface Required” or “Specific Surface Roughness” mentioned on the drawing for the Turning Shafts, Roller, Pistons...
May 31, 20221 min read


Securing Clearance for Thread
Lathe Parts such as Shafts, Rollers, Pistons or Pins that have thread, “Effective Thread Length” like Y in the upper picture is not...
May 31, 20221 min read


Changing Radius Size on Corners
The Lathe Parts like Pins, Pistons, Valves or Shafts, If the size of radius corners are small like 0.1 or 0.05 as the upper picture, then...
May 31, 20221 min read

What are ”Spindle types” for CNC turning machines?
In turning, cutting is performed by pressing a cutting tool against a material that is rotating with the spindle. Automatic lathes can be...
May 27, 20221 min read


Changing Radius to Chamfer on corners
Lathe Products such as Pistons, Shafts or Pins have some corners which requires “Radius” shape as the upper picture. Producing “Radius”...
May 26, 20221 min read


Allowing the drill tip at counterbore
Some lathing products such as Pistons or Pins have counterbores, and the end surfaces of counterbores are required to be flat as the...
May 26, 20221 min read


Stepped drill surface on through-hole
Some lathing products such as Pistons, Valves or Collars require to have through-hole at the center, and drilling process to produce such...
May 26, 20221 min read


Eliminating stepped surfaces
Machining 90-degrees steps like the upper picture on cylindrical turned parts such as shafts, rollers and pistons need extra cutting tool...
May 24, 20221 min read


Angled shape of bottom of the hole
When boring the hole on cylindrical shape machining products such as bolts, valves or pins, boring the hole as flat end at the bottom...
May 24, 20221 min read


Machining diagonal corners on hexagonal material
Clamping the hexagonal material with diagonal corners would not make positional accuracy of boring inner diameter since material surface...
May 24, 20221 min read


Adding V-shape Groove on Milling End
Having a flat end on milling is likely to produce burrs, and it gives us additional costs such as frequent milling cutter replacement,...
May 20, 20221 min read


Radial milling end shape
Milling process is often done by milling cutter and its shape is radial, however some drawing says milling end shall be “straight” as the...
May 20, 20221 min read


Adding Clearance Groove at the end corners for Grinding
When the machined products such as Shafts, Valves, Pistons or Rollers that require external diameter grinding, the grinding operations...
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


Changing the corner Shape of Knurling
Machining products such as Shafts, Pins or Rollers where Knurling is done on “Chamfered” corner, it is likely to have burr on the corner...
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 19, 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 Carbon steels to free-cutting steels
Carbon Steel S10C in JIS, AISI 1010 or C10 in ISO has difficulty in breaking up cutting chips during machining process, and it worsens...
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 17, 20221 min read
Adding Copper on Stainless steel material
Stainless steel SUS303 in JIS, or X10CrNiS18-9 in ISO 15510 or EN 1.4305 or AISI 303 are often used for shafts as free-cutting stainless...
May 17, 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 13, 20221 min read
Plating type changes for iron steel products
Some iron steel products are required to get electroless nickel plated to to ensure rust prevention. Electroless nickel plating is...
May 13, 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
Material cost reduction through applying plating
Stainless steel is generally used for parts that require corrosion resistance, but stainless steel is expensive. In the case of products...
May 12, 20221 min read
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