Modern office chair MODEL-7

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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 kind of materials are used in the telescopic equipment of machinery industry?
Mechanical transmission is widely used in mechanical engineering, mainly refers to the transmission of power and motion by mechanical means.The frictional transmission that transmits power and motion by the force of friction between the parts, including belt drive, rope drive, and friction wheel drive. The friction transmission is easy to realize stepless speed, transmission shaft mostly can adapt to large distance, overload sliding can also play a buffer and protection function of the transmission mechanism, but the transmission cannot be used for high power applications, can not guarantee the transmission ratio accurate.The meshing transmission of power or motion by means of the meshing of an active component and a follower or by means of a middleware, including gear drive, chain drive, screw drive and harmonic drive.
Q:What are tensile and shrink wrapping?
Stretching: one of the basic characteristics. The tensile feature is to draw the cross section of the drawn cross section in a specified tensile direction at a specified depth. Stretching is the most commonly used entity creation type that is suitable for creating rule entities and should be skilled.The main purpose: contraction of envelope: complex parts or components 1. can be used as a reference or package model to create a lightweight version; 2. can be used to create geometric model sharing relationship with suppliers and customers, and get rid of what you don't want to share details; file - save a copy - type contraction envelope; create components, in the form of a activation element inserts - shared data - shrinkwrap -- referring to the type for the components of a subset of context.
Q:What is a bolt tensioner? How do you use it?
The bolt tensioner is a tool for fastening and dismounting bolts. It has several forms, such as manual, electric, pneumatic, hydraulic and so onBolt tensile bolts and shear bolts, tensile bolts subjected to tensile load is axial load; shear bolts subject to shear load, tangentialThe bolt load is the force acting on the bolt, which is usually expressed by pressure, that is, the force / force acting areaThe so-called pre tightening force is a force in the mounting bolt in the bolt on the pre action (Ya Qiang), its role is to enable the bolt force and deformation, the fasteners are combined together, and can prevent the bolt fracture under impact load.Note: the preload and bolt load are less than the rated load of the bolt
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:Is the construction of the water supply steel pipe a telescopic device?
The pipe line survey shall be carried out in accordance with the coordinates of the pipe line control points. In order to master the control points of the canal well, the permanent reference piles shall be introduced and set up in the engineering site, and properly maintained, and the project shall be submitted to the owner after completion of the project. After the above work, please check the line of supervision personnel, confirm the ditch excavation work.
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:How to achieve telescopic power arm
Consider synchronous motor, screw drive, photoelectric induction limit, PLC connection drive control displacement
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 the main uses of a bolt tensioner?
He is elastic, in his range of elasticity can be stretched, and generally does not hurt the threaded bolt tensioner, high precision, high tensile bolt General requirements is the most appropriate, domestic stretcher good brand, I recommend Prima, quality customer service is good, and I hope to you help!
Q:The working principle of the bolt tensioner
During operation, the high-pressure oil output by the power source is conveyed to the piston cylinder 3 by a high-pressure hose, and the piston in the piston cylinder moves upward under the action of pressure to drive the stretching nut upwards. The nut and bolt tensile work thread, thereby stretching the working bolt, the bolt elongation reached the required amount of deformation, deformation control in the elastic deformation range, then the pre tightening or disassembling operation, finally through the hydraulic or mechanical return the work bolt return to its original shape, finish the homework.

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