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Due to the heavy typhoon attacked to Japan on Sep/4/2018,
Items will be shipped from Narita International Airport(NRT) or Chubu Centrair International Airport(NGO),
which normally should have been shipped from Kansai International Airport(KIX).
It may cause delay on shipment. Sorry to have kept you waiting and thank you very much for your understandings.
Unlike MonotaRO's PB product, it was a very satisfactory thing with small deflection accuracy. The maker said that the error between the center line of the outer diameter and the inner diameter is 5/1000 mm or less, but it is probably a runout error of 3/1000 mm or less actually measured. (Since it does not have a micro gauge, it is measured with a digital gauge) It was less than 1/10 of the shake error compared with MonotaRO's PB equivalent product. If you want a system of 1/100 mm or less with a machine tool etc., it is better to avoid MonotaRO PB products. It becomes a loss of money purchase.
Drill chuck on lathe spindle, when reamer is installed
On 2017-04-03 02:02:51
I think that concentricity between the outer surface of the sleeve and the inner surface is somewhat bad. Set on MT5 lathe spindle and there is runout of 2/100 mm on the inside surface. I want something with more precision.