office chair

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Description

CommodityMesh Office Chair
Item No.AOC-8567B
MaterialIron, Mesh, Fabric
ColorOptional
GasliftClass A
Base Galvanized Iron Base
HeadrestDetachable
Armrest HeightAdjustable
Size(CM)
Product Size50×46×113-123
Seat Height43-53
Seat Foam Thickness6
Armrest Width24
Armrest Height19-27
Weight(KG)
G.W.16.20
N.W.15.20
Packing
Carton Size(cm)66*32*641pcs/carton
Loadability(pcs)20'GP207
40'HQ503



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Q:What is the automatic telescopic function of an automatic umbrella?
The most important thing about the design of a fully automatic long handled umbrella is the choice of the elastic potential energy device between the upper and lower springs. The traditional semi automatic long handle umbrella pushes the slide block upwards through the pretightening force between the springs between the two sliders so as to realize the opening of the long handle umbrella. Therefore, it is proved by experiments that if a spring is added to the slider, and whether the slider can move downward similarly, the experiment shows that the umbrella can be closed. Then, the following work is how to determine the size difference and working state of the two spring preload.
Q:What are the main uses of a bolt tensioner
Stretch, fasten, or loosen the bolt and think of the bolt as a rubber band. It is flexible and can be stretched freely within its range of elastic deformation
Q:What are the main uses of a bolt tensioner?
Stretch, fasten, or loosen the bolts and think of the bolts as a rubber band,
Q:What is a limiter?
To understand what a limiter is, you should first know what a telescoping device is The expansion device is also called expansion joint, expansion joint, compensator and expansion joint. Expansion device capable of axial expansion in a certain range, the offset can overcome different axial pipe butt within a certain angle and produce, installation and convenient disassembly pipeline valve greatly, in the pipeline to allow expansion in free expansion, once over its largest expansion amount rise to limit, to ensure the safe operation of pipeline the
Q:How to achieve telescopic power arm
Pneumatic, cylinder. There is an electromagnetic valve, an air compressor.
Q:What is a bolt tensioner? How do you use it?
Bolt tensioner is a bolt hydraulic stretcher with hydraulic booster pump (super high pressure hydraulic pump hydraulic source) provided, according to the tensile strength, yield tensile and elongation coefficient determined, using ultra high pressure pump the stretch, the bolt is applied force in the elastic deformation zone is stretched, bolt the diameter of slight deformation, so that the nut is easy to loose, and it can be used as a hydraulic interference connection device of applied axial force, top pressure installation. The biggest advantages of stretcher can make a plurality of bolts and fixed value fastening and disassembly, uniform force distribution, is a safe, efficient and fast tool is the best way to bolt fastening and disassembly of various specifications. Used in petrochemical, nuclear power, wind power, hydropower, thermal power, ships, railways, aerospace, mining, heavy machinery and other fields. According to different working conditions, application conditions and user requirements, it can be used as a special stretcher design.
Q:How do you pull the contracted muscles with a mechanical device?
A muscular spasm is a controlled contraction that causes the muscles to be tense and rigid, usually caused by lactic acid accumulation. 1) massage the muscles. 2) gently pull the muscles. Namely: 1 spasms can occur in any muscle, usually caused by unaccustomed activity, often occurring in the calf muscles of the gastrocnemius. When you massage, the injured must sit or lie down. 2 gently pull the muscles to counteract the spasms, and pull the foot to the shin in this case. Massaging and pulling muscles can increase the flow of blood in the muscle to take away and disperse the local lactate. Muscle spasm first aid Beijing Morning Post muscle spasm is commonly known as cramping. It is an involuntary tonic contraction produced by the muscles.
Q:Is the construction of the water supply steel pipe a telescopic device?
When building management personnel to operate, strict inspection, selection of qualified brick factory with the same specification, on the masonry staggered, a brick, mortar and uniform horizontal mortar joint concave mortar, should take 5--8cm, wells and vertical mortar joint width not less than 5mm, while laying on the edge of a mud brick rub a squeeze, the slit into pulp, necking, measuring layers with a ruler, each layer in size, surrounded by flavours of not more than 3cm, three flavours of not more than 4cm, to ensure the quality.
Q:Mechanical principle of belt expansion machine
Conveyor sections: two, three, four. Width of conveyor belt: 500, 600, 700, 800, 1000, 1200mm. Belt conveyor speed can be selected: constant or variable speed. Belt conveyor direction can be selected: one-way or two-way conveying materials. Belt conveyor angle can be selected: horizontal, fixed angle or automatic lifting. The fixed section of the conveyor can be fixed or fixed. Conveying speed: <30 M / min.. Conveyor capacity: <70 kg / m..
Q:The working principle of the bolt tensioner
A bolt tensioner consists of a hydraulic pump, a high pressure hose, a pressure gauge, and a stretched body. The hydraulic pump is the power source, the pressure meter reflects the output pressure of the pump, and the high pressure hose is connected with the hydraulic pump and the drawing body. A drawing body is an actuating element for realizing a bolt stretching. The utility model is mainly composed of a piston cylinder, a piston, a supporting bridge and a stretching nut.

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