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Electronic Furniture Testing Machines For Chair Back Impact
Strength Testing Machine
Main Function:
Chair arm and back strength testing machine is designed to test
office chair arm( vertical and horizonal test ) and back strength.
It with PLC controller, touch screen interface to input test
parameters, test force and times can be set, count the time when
reach setting force and return back automatically when time over.
Design Standard: BIFMA X5.1-2011 5,6,10,13,14,15,16,19,20
Applicability
1.This backrest strength test shall be performed on Type I chairs.
For chairs with tilt locks, locking the chair changes the chair type (See Section 4) and must also be tested according to
Section 6 in the upright locked position.
2.An additional chair may be used for the Section 6 testing. Note:
This test does not apply to chairs with
backrest height less than 200 mm (7.9 in.).
Arm Strength Test - Vertical – Static Applicability
This test applies to all chairs with arms. The purpose of the test
is to evaluate the ability of a chair and arm to withstand stresses
caused by applying vertical forces on the arm(s).
Standard | Content | Accessories |
Clause 5 | Backrest Strength Test Static – Type I |
|
6 | Backrest Strength Test Static - Type II & III | |
11.4 | Front corner Load-Ease Test – Cyclic | Diameter 203 mm loading device x 1 |
10 | Tilt mechanism Test | 102kg one weight |
12.3, & 12.3.2 | Rear Stability Test for type I.II, & III chair | 1) Stability Disks x 13 |
12.4 | Front stability | 12d Front stability loading fixtureX 1 |
13 | Arm strength test-vertical-static | Loading adaptor (100 x 127 mm) x 1 |
14 | Arm strength test | |
15 & 16 | Backrest durability test | Loading device (back pull) x 1 |
22 | Out stop Test | 74 kg counterweight iron x 125 kg counterweight iron 1 x |
23 | Tablet Arm Chair Static Load Test | |
24 | Tablet arm chair load ease test – Cyclic |
Main Technical Parameters:
1, Tension mechanism, servo motor and the strap pulley
architecture, the intensity of the rotation transformed into
tension and supplemented force values turn sensor read correctly
tension, the action of the closed-loop control of servo motor to
achieve a number of pull. Static and cyclic testing. Rally and
speed can be set free. Mainly used for 5, 6,13,14,15, and 16 test.
2,In addition to this machine is also configured with two groups of
electric actuator, respectively, for a group of the vertical
apparatus and the horizontal apparatus 1 group, each group
independently adjust the speed and thrust. Stroke is 500mm
3, The vertical means of the servo motor can be used for the
actuator, the vertical position adjustment, mainly used for the
first 11.4,22,23 and 24 of the test; the maximum pressure is 150
kg.
4, Level device servo motor caused the brake position adjustment of
the pieces up and down and left and right mobile and flexible to
meet the demand for different test location, is mainly used for
10,12.3 and 12.4 testing. 50 kg maximum thrust, adjustable up and
down the range from 500 mm to 1200 mm.
5, the bottom plate of the test machine drilling multiple rows of
screw holes for easy installation of different attachments and
fixed test conditions
6, each electric actuator front-end with a quick connector for easy
replacement of the load block and fixture
7, control mode | PLC with LCD touch screen |
8, the maximum tension value | 150kg |
9, the maximum thrust value(horizontal) | 50kg |
10,the maximum pressure value(Vertical) | 150kg |
11,Can be equipped with computers, recording force and displacement changes. | |
12, Capacity | 0-500kg |
13,Setting time | 0-99S |
14, Machine size | (L×W×H)1500×1400×1800mm |
15,Test accessories | One test platform for arm test; arm vertical test grips; one back strength test grips. |