Modern dinning chair MODEL-15

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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 bolts and think of the bolts as a rubber band,
Q:Mechanical structure and principle of automatic focusing lens for camera
Ultrasonic ranging method, which is based on the ultrasonic wave in the digital camera and the time between the subject of distance measurement. Digital cameras are equipped with ultrasonic transmitting and receiving device, when the ultrasonic vibration generator for ultrasonic, ultrasonic to the subject, is the receiver's perception of return immediately, and then by the integrated circuit according to the ultrasonic round-trip time to calculate the focusing distance.
Q:What are tensile and shrink wrapping?
Stretch packaging began in 1970s as a new packaging technology developed from shrink packaging. Stretch packaging is a packaging method that relies on a mechanical device to wrap the elastic film around the package at room temperature and seal it at the end thereof. Since stretching packaging does not require heating, the energy consumed only shrinks by 1/20 of the package. Stretch wrap can bale single items, can also be used for packing pallet packaging, set.
Q:How to achieve telescopic power arm
Consider synchronous motor, screw drive, photoelectric induction limit, PLC connection drive control displacement
Q:What is a bolt tensioner? How do you use it?
Ensure the load is required in the standard setting, screwing length of screw thread is also provided; ensure the load refers to the mechanical test project of bolts and nuts, the threaded part is load bearing ability (because the threaded portion of the most vulnerable).
Q:How do you pull the contracted muscles with a mechanical device?
Common causes of muscle spasms: fatigue: when the body is tired, the normal physiological functions of the muscles change, and at this point, the muscles will have a lot of lactic acid accumulation, and constantly stimulate muscle spasm. Electrolyte imbalance: a large amount of sweat during exercise and a large amount of electrolyte loss. The main components of sweat are water and salt, and losing too much salt can cause muscle tension and cramping. Cold stimulation: in cold climates, such as swimming, it is stimulated by cold water, especially when the preparation is inadequate, and muscles tend to spasm. How to do it: when a muscle spasm occurs, it usually relieves the spasm by pulling the spastic muscles in the opposite direction. Attention should be paid to keeping warm during the process. When pulling, the force should be uniform, and the violence should not be avoided, so as to avoid muscle strain. Abdominal muscle spasm, you can do the back stretch to lengthen the abdominal muscles, you can also abdominal hot compress and massage. When the calf muscle spasm, can unbend the knee joint, brings back the toe, simultaneously holds the foot with both hands, forcibly upward draws.
Q:Is the construction of the water supply steel pipe a telescopic device?
At the same time in the ditch earthwork construction of the canal, in a timely manner in the construction preparation, construction machinery and personnel enter in time, officials familiar with the construction drawings and the requirements of the technical scheme, pipes and fittings in finished products into the factory inspection, once the pipe forming, timely pipe installation work.
Q:Mechanical principle of belt expansion machine
Principle: the telescopic belt conveyor adds a telescopic mechanism to the ordinary belt conveyor, so that the belt conveyor can be freely extended in the length direction.
Q:The working principle of the bolt tensioner
Bolt hydraulic stretcher or bolt tension, it uses hydraulic booster pump (ultra high pressure hydraulic pump) source, 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, the diameter of the bolt a 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.

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