The large welded structures such as trolley, cable drum, bogie frame etc, through gas annealing furnace annealing treatment to guarantee product after-welding precision, weihua has car-gas annealing furnace, net size inside the furnace is 10000mmx4000mmx4000mm car-gas annealing furnace, can meet all kinds of small medium and large welded structure stress relief annealing after welding on the crane such as trolley, cable drum, bogie frame, balance beam, spreader. This annealing capacity only “taizhong” and “weihua” have it. According to the clients’ demands, the crane can be add our company patent-electric anti-sway, this is the world's leading technology, first to achieve lean management, lean production in crane field, and promote the further improvement of product quality.
Feature
1. Reasonable structure and favorable performance.
2. Smooth starting and stopping.
3. Safe and reliable traveling, long life.
4. Low noise, commodious cabin with good view.
5. Easy installation and convenient maintenance.
6. Excellent exchangeability for parts and components.
7. Crane drive: IP54 or IP44, level F insulation.
Safety system
1. Weight overload protection device.
2. Top quality long time bearing polyurethane materials buffer.
3. Crane travelling limit switch.
4. Voltage lower protection function.
5. Emergency stop system.
6. Current overload protection system and so on!
Quality promise
1.All products have production permit or recognition permit; no fake or renovated products;
2.Quality of all products reach class A or distinguished class;
3.Main data of the products satisfy related codes;
4.Strictly follow technological requirements in manufacturing;
5.Strictly test products with standard testing devices to prevent unqualified products from leaving the plant;
6.Set up complete files to keep order contract, manufacturing record, test record, material receiving certificate and factory-leaving record;
7.All products to be delivered are no-damage in appearance and painting and are supplied with mating parts to satisfy clients.
After-sales service promise
1.Quality problems of products sold by our company will be solved as per the “three guarantees” system of our company by the “three guarantees” service team;
2.Related personnel will be sent to the site immediately after receiving quality complaints (by call, letter or oral notice) from clients;
3.Personnel involved in after-sales service shall be serious and considerate in handling the problem to make clients care-free;
4.In addition to solve quality problems, personnel involved in after-sales service shall train clients, answer their technical inquiries and related questions free of charge;
5.Related cost for products with quality problem will be shouldered by our company. Our company charges for quality problems caused by clients (or problems after the warranty term), but the charge will not be higher than the expense (or cost);
Processing technology of major parts of cranes
1.Main beam will have sandblast derusting and painted with zinc rich epoxy primer;
2.Main beam is cut by plasma numerical control cutting machine;
3.The butt weld of tension flange shall undergo ultrasonic or x-ray flaw detection as specified.
