الوصف

Brief Introduction
- Four-rope paina grab is of new design, reasonable structure with dead weight ratio of material grabbed and grab to be 1.5~1.*2 and full capacity of *5~**0% that is a wonderful grab for loose material of small pencil.
Advantages
- Comparing to the traditional four-rope grab, the four-rope paina grab has following advantages:
1. the lower support beam is shorter, with well strength and light dead weight.
2. bush material for the main point is of bearing steel, that service life will pre-long 4~5 times.
3. distance between edge plate is small (0.3~1mm) that can keep the work area to be clean.
4. stable structure that can be easy installation and operation.
Main Technical Parameter
- Volume: From 1 to *0 m3;
- Type: It can be divided into light, middle and heavy type according to the material it will be grabbed;
- Material gravity: It can be used for almost all material as coal, ore and so on;
- Weight of material to be grabbed: The max. Weight of material to be grab is *0t, and we can design and manufacture according to your requirements;
- Pulley ratio: The pulley ratio of this type of grab can be 4, 5 or 6;
- Number of rope for open-close: 2;
- Number of rope for hoist-lower: 2;
- Wire rope diameter: Changed from *4mm to *8mm, or according to your work requirements;
- Pulley diameter: Ranged from **0mm to **0 mm, or according to your work requirement;
- Times needed for open-close: About *4s;
- Max. Open size: From 1.8m to 5.0m;
- Other technical parameter: Other parameter can be designed and fabricated according to real requirements.
Manufacture Period
- Manufacture period for one set of such grab is *0 working days after receiving the payment advance;
Package and Transportation
- The four-cable grab can be transported by container, bulk cargo or train with main structure naked or covered by rain-proof clothes;
Payment Terms
- Negotiable.