Specifications
| Friction method | swirl/ spin |
| Frictional contact form | face |
| friction load | 250g、500g、750g |
| Rotation speed of working plate | 60,70 rpm or as specified |
| Counting method | Electronic display 6 digits, automatic shutdown |
| Power Supply | AC220V 50HZ |
| Machine size | 410*285*290mm |
| Machine Weight | About 17kg |
| test piece | Outer diameter 108mm, inner diameter 8mm |
| Accessories | Abrasive wheels H18 1 group, H22 1 group, yarn paper 1 pack |
Packing list
host X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/48597/Specification.html , which is only used by users who purchase commodities from the NBCHAO.