256HC Mast Section for Tower Crane

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China Main Port
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TT or L/C
Min Order Qty:
1 Set pc
Supply Capability:
1000 Sets Per Month pc/month

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Description of 256HC

We're specialized in tower crane parts, mast section. anchore frame, fixing angle, pin, bolt, various mech, assembly and spare parts, control box, resistance box and spare parts, drive room and spare parts, wire rope, pulley, cable etc

We supply different types of mast sections, anchorage collar and base frames for widely used tower crane models, with high performance and reasonable cost.

1.The steel material selected 100 % comes from our national large-scale steel corporations .

2.The critical materials that steel, welding material etc are all checked by chemical detection , then They are allowed into workshop for batch production.

3.Strictly conforms to drawing requirements, we make the products with 16 Manganese,40 Chromium and 45#steel etc .

4,Every parts of our products that pins ,axles,sleeves etc are strictly obey quenching and tempering procedures .

5,Every parts of our products strictly conforms to the procedure requirements : mill ,plane, polish, press ,test etc in turn.

6,As for have finished products ,we perform the requirements of theISO9001 Quality System and national standard strictly.

256HC Mast Section Specification

Size: 4.14m*2.3m*2.3m

Weight:2240kg(±10kg)

It is Equiped with the fixing bolts, inside ladder and resting platform

We supply different types of mast sections, anchorage collar and base frames for widely used tower crane models, with high performance and reasonable cost.

Packaging & Delivery:

Nude in containe

about 15-30 days after receiving T/T payment

 mast section  mast section

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Q:How do the welding parts in the welding drawings of the machine parts indicate the technical requirements of the drawings?
The whole circle of the triangle is welded as an angle weld, and the other is the outer circle with the same diameter as the two, so the butt joint is better to open the groove. Welding, for V type welding seam, and, technical requirements are generally, welding firm, no defects, welding smooth grinding, cleaning welding slag splash
Q:What are the mixing arms of the concrete mixer?
Mixing arm concrete mixer is a component of the mixing arm itself and divided into lateral mixing arm (positive and negative points), stirring arm (also have positive and negative points), stirring arm below is the bearing seat connected, connected with 4 sets of high strength bolts with stirring arm. The top is equipped with wear-resistant mixing blades, connecting with mixing blades, high-strength bolts 2 sets. In addition, some manufacturers have designed mixing side bonded shaft swivel, is installed in the interval between the stirring arm fixed and rotated in two ways.
Q:Definition of large mechanical equipment?
Depending on the size of the part to be machined, the parts must be set up as large equipment with the aid of a crane, and large machinery is usually assembled after the parts have been delivered to the destination. Material handling machinery is mainly in enterprises (including terminals, materials, mines and commercial warehouses, etc.) within the material handling, transportation, lifting, stacking and storage of machinery and equipment
Q:China mechanical net
From Chinese GM parts, general machinery, hardware, tools, instruments, electrical appliances and related equipment, textile equipment, chemical equipment, agriculture, food equipment, construction equipment, environmental protection equipment, mining equipment, metallurgical equipment, financial equipment, commercial vehicles and accessories, machinery processing equipment, machinery processing industry machinery enterprises and mechanical products
Q:What are the sub projects of a construction project?
Lime soil, sand and gravel foundation, geosynthetics foundation, fly ash foundation, dynamic compaction, foundation grouting, preloading foundation, vibroflotation foundation, jet grouting foundation, cement mixing pile foundation, soil and lime soil compaction pile foundation, cement fly ash gravel pile, cement soil pile foundation. Based on sand pile foundation
Q:Where are the mechanical pressurization air supply facilities set up?
The purpose of setting up a mechanical pressurization air supply smoke prevention system is to provide evacuation routes and shelters without smoke interference in the event of a fire in the building. Therefore, in the closed door, pressing position, and the fire floor must maintain a certain pressure difference, the position of the air pressure value is a relative positive pressure); at the same time, in the open part of the pressure when the door can have enough air velocity in the opening section, to effectively prevent the intrusion of flue gas, the safety of personnel ensure evacuation and refuge.
Q:What functions should be achieved in mechanical structure design?
Mechanical structure design plays an important role in mechanical design. This chapter mainly discusses the characteristics, steps and mode of thinking of mechanical structure design. The working principle and design requirements of the machine assembly is a major factor in determining the structure and shape of the parts, followed by the selection of materials, manufacturing process requirements, which has the advantages of good manufacturability (processing and assembly). In addition, the perfection of the structure and shape of the parts has a great influence on the strength and stiffness.
Q:What is the difference and connection between equipment manufacturing and machine building?
In accordance with the standards of classification, including metal products, general machinery manufacturing, machinery manufacturing, transportation equipment manufacturing, electronic and communication equipment manufacturing industry, electrical machinery and equipment manufacturing, instrumentation and office machinery manufacturing seven deducted 186 small consumer related manufacturing industry after class. Equivalent to the European countries referred to as "capital goods manufacturing", that is, we often say "the production of means of production industry."".
Q:Where are the hanging baskets for the building?
It is forbidden to take a stool or put a ladder on a hanging basket to work higher; it is not allowed to work alone in a basket, and no electric machinery or equipment can be placed in the basket;
Q:The building electrical iron pipe and the pipe line fixing member connected to what is called, what is called the iron pipe and the 86 fixed part of tin
Pipe or direct protection, construction of special operation personnel of construction electrician training materials, focus on the "construction of special operations personnel management regulations", "construction of special operations personnel safety technology assessment program (Trial)", "construction of special operations personnel safety operation skills examination standard (Trial)" and other relevant provisions safety, technical knowledge and skills to master for construction electricians were explained, the book has 10 chapters, including: basic knowledge, common low-voltage electrical appliances and Motor City, power supply and grounding earthing protection system.

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