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Product test

Product test

  • Categories:Engineering
  • Time of issue:2022-03-29 19:47:08
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Nanjing Jundong Machine CO.,LTD Is a professional company that research and manufacture mast, elevating and products about shelter. By the experience from research and manufacture the product and participate in many late-model weapons systems for many years, we have got the capability of developing product such as mast for all occasions.

We accept customizing product and OEM manufacture requirement. Only you fill in the correlative parameter according to the “Demand communication table of mast” in manual appendix, we can customize a special mast for you.

The type of our product is named by the following format.

  

 

The meaning of JDZ15/50 is standard free-standing electric mast which carrying is 50kg and extended height is 15m.

The meaning of JDJS18/20 is standard winch manual mast which carrying is 20kg and extended height is 18m.

1、Compared with traditional mast, the advantages of our free-standing mast are as follows:

(1)Can work for free-standing. Can work steadily when the wind speed is up to 20m/s without guying rope. Can’t be destroyed under the wind speed 35m/s. Consumedly reduce request of using position and economize on manpower.

(2)The mast adopts cannulas with quadrate section, which in the same space, it possesses excellent strength, rigidity, flexural and torsional capacity;

(3)The mast body is made from a fine drawing aluminum alloy materials, technology and precision of drawing was far more than the national standard.

(4)Movement between the mast body isn’t direct contact, which ensure the anticorrosion ability on surface of the mast body;

(5)The raising and falling of the mast body is linkage. There is no frequent locking and unlocking process of the each section during raising and falling;

(6)Depending on the self-locking of T type screw, it can lock and work stably at any height and direction;

(7)Raising and falling movements are driven by power. The system can descend smoothly when there is no-load which can ensure it work reliably in the harsh environment;

(8)All of the transmission system is closed. There is rubber seal ring ( the seal ring is life part, but the replacement is simple, and the cost is low) between the mast body, which has good waterproof, good sand control performance and strong corrosion resistance;

(9)Design life of the product is 20 years. Maintenance is convenient and reliability is high. Our product has enough safety coefficient ( All products manufactured are tested 100% before leaving the factory. Carrying ability of the products can reach about 1.5 times of the nominal capacity when tested before leaving the factory.);

(10)Design calculation ability of the company is strong. We can provide data of all kinds of security performance calculation of the mast (the security of the vehicle or shelter is not included);

(11)Products have passed environmental test of GJB150 military specifications (fungus, salt fog, damp heat, high and low temperature work, high and low temperature storage, vibration, rain, traffic test etc.);

(12)Compared with the same type of foreign products, our products have higher cost performance.

2、Compared with traditional mast, the advantages of our winch mast are as follows:

(1)Work steadily with guying rope;

(2)The mast adopts cannulas with quadrate section, which in the same space, it possesses excellent strength, rigidity, flexural and torsional capacity;

(3)The mast body is made from a fine drawing aluminum alloy materials, technology and precision of drawing was far more than the national standard

(4)Movement between the mast body isn’t direct contact movement, which ensure the anticorrosion ability on surface of the mast body;

(5)The raising and falling of the mast body is linkage. There is no frequent locking and unlocking process of the each section during raising and falling;

(6)Drived by a manual winch drive which has high transmission efficiency. And can raise or lower steadily. The ratchet check mechanism is safe and reliable. And has safe self-locking function at any position. The mast is always in the self-locking state. The crank does not automatically reverse to bring damage;

(7)Drived by two different sets of wire ropes in the course of raising and falling, which can ensure the normal falling of the mast when it is lowering;

(8)All of the transmission system is closed. There is rubber seal ring ( the sealing ring is life part, but the replacement is simple, and the cost is low) between the mast body, which has good waterproof, good sand control performance and strong corrosion resistance;

(9)Raising and falling movements are driven by power. The system can descend smoothly when there is no-load which can ensure it work reliably in the harsh environment;

(10)Design life of the product is 20 years. Maintenance is convenient and reliability is high. Our product has enough safety coefficient ( All products manufactured are tested 100% before leaving the factory. Carrying ability of the products can reach about 1.5 times of the nominal capacity when tested before leaving the factory.);

(11)Design calculation ability of the company is strong. We can provide data of all kinds of security performance calculation of the mast (the security of the vehicle or shelter is not included);

(12)Compared with the same type of foreign products, our products have higher cost performance.

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