Specifications
| Friction Frequency | Segmental Adjustable Rotation speed Frequency |
| Power | 220V/5A |
| Machine size | 63*45*37cm |
| host material | Mirror stainless steel |
| friction distance | 10Mm~ 50mm can be adjusted freely |
| round trip | 0~60 times (adjustable) |
| friction Counter | 0~99999999 (the number of times can be set) |
| speed range | 60 beats per minute |
Packing list
Standard cotton cloth, eraser x1, alcohol or Miscellaneous liquid friction metallurgy x2, eraser friction metallurgy x2, load weight 10/20/50/100/200/500g each two, power cord x1, the whole machine 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/44552/Specification.html , which is only used by users who purchase commodities from the NBCHAO.