Re: Z402 powder

From: Chan Chi Kin (
Date: Sun Apr 15 2001 - 12:13:24 EEST

Dear Dr. Gibson,

I thinks the problem is feeding tang trapping more air with its power,you
need remove by its tool, by the way we also have same problem at first
(powder zp100) ,parts coming off soft.


On Wed, 11 Apr 2001, Ian Gibson wrote:

> Dear rp-ml
> It's very humid here in HK at the moment and parts coming off one of our
> Z402 machines are extremely floppy. They are using the starch powder and I
> noticed it appeared to be sticking together as if damp. This is fresh
> powder, but I note that it was stored openly in paper bags. Parts coming
> off the machine exhibited a strong odour.
> Is the damp causing the parts to be weak? If so, is it possible to dry out
> the powder so that it can be re-used?
> IG
> Dr. Ian Gibson
> Associate Professor
> Dept. Mechanical Engineering
> The University of Hong Kong
> tel: +852 28597901
> fax: +852 28585415
> email:
> Don't look around to find the sound that's right beneath your feet.
> For more information about the rp-ml, see

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