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ITEM NO. | SK-313 |
Category | Random Orbital Sander |
Size | 125 mm(5") |
Air consumption | 0.48 m3/min |
Workpressure | 6.3 Bar(90 Psi ) |
Speed RPM | 10000 rpm |
Orbit | 5 mm |
Inlet Adapter screw | 1/4" |
Hose Diameter | 3/8" |
Dust system | Non vacuum |
Package |
1 piece/box,20 pieces/carton Can pack according to customer’s requirements. |
OEM | Accept OEM order |
Min. Quantity |
No brand: 60 pieces OEM: 200 piececs |
Stock | |
Production time |
In 10-15 days after receiving 30% deposit. OEM order: For the first order, should need about 10 more days for printing design. |
Shipping time | 5-10 days on the port for Customs clearance and waiting for ship schedule |
Random Orbital Sander Final Testing Specification | |||||
NO. | Testing Projects | Testing Standard |
Testing Method |
Sampling |
Testing Department |
I | Appeareance | ||||
1 |
Scratch,paint shedding, polishing |
Sealed sample | Visual | All tested | QC |
2 | Color devition |
standard pantone or the swatch from customer |
Visual | All tested | QC |
3 |
Electroplating, blackening, ED |
Sealed sample | Visual | All tested | QC |
4 | Holes | No holes in surface | Visual | All tested | QC |
5 | Muffler housing |
Right in place, no loose, no crack, low noise |
manual | All tested | QC |
6 | Housing grip | No loose, no raising up, no deformation | Visual | All tested | QC |
II | Function | ||||
1 | Force On |
Sander must be not working if not be turned on when powered |
Visual | All tested | QC |
2 | Sound |
No abnormal sound during rotational speed testing |
Auditory | All tested | QC |
3 | Start test |
Can start up successfully when continously switch on and off 3 times |
manual | All tested | QC |
4 | Sanding test |
During wood panel sanding, must work as normal even if the pressure is up to about 25KG. |
manual | 1/100 | QC |
5 | Rotational test | SK-311 10000RPM±10% | Stroboscope | Random sampling | QC |
6 | Feeling | Do not feel hot and numb within 15 sec rotational test | manual | All tested | QC |
7 | Regulator |
Regulator is sensative, the rotational speed changes obviously,no stuck |
manual | All tested | QC |
8 | Leak test(internal leak) |
When sander is not switched on, must not have media spray out from the inlet adapter thread, copper screw cap and regulator. |
Dripping test | All tested | QC |
9 | Inlet adapter thread |
NPT1/4-18 thread gage G1/4-19 thread gage R1/4-19 thread gage |
The tested thread matches the thread gage |
All tested | QC |
Note |
1. The pressure of the testing for funtional testing NO. 1~8 is 6.3kg/cm2. 2. Air pipe length is 1.2m and dia is φ8mm. 3. The media in leak test is spindle oil. |
Quality Guarantee:
1. The factory offers 3 months quality guarantee from the date of receipt at the buyer. And according to international practice, it allows
5% of quality defects.
2. The factory has tested each machine before their leave. But the factory can’t guarantee that every purchased part is absolutely no
problem. Buyers are strongly suggested to equip a professional and skilled worker, or cooperate with a repair agency, who can solve
most small problems.
3. The factory will provide detailed part drawing and assemble drawing, as well as maintenance parts.
4. During the machine guarantee period, if the buyer can’t repair the problem machine, he can send it to China, mailing costs borne by
the buyer. Our factory provides free repairmen, and will send the machine together with the next order.
The follows conditions do not belong to quality problem.
1. Small defects on the overall appearance, color difference, small stains.
2. The machine may have small difference with pictures, such as materials and workmanship degree. Please check the quality according
the sample.
3. The problem caused by improper maintenance or humid environment.
Daily maintenance suggestion:
1. After a day of work, please drop three drops of oil into the bearing, run it for 30 seconds.
2. Do not leave water in the compressor. Avoid water in humid environments to prevent rust.
