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QC/T 649-2013 PDF English

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QC/T 649-2013: Motor Vehicles - Steering Control Mechanism - Performance Requirements and Test Methods
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QC/T 649: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
QC/T 649-2013English185 Add to Cart 0-9 seconds. Auto-delivery Motor Vehicles - Steering Control Mechanism - Performance Requirements and Test Methods Valid
QC/T 649-2000English239 Add to Cart 2 days Automobile steering shaft assembly performance requirements and test methods Obsolete

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QC/T 649-2013: Motor Vehicles - Steering Control Mechanism - Performance Requirements and Test Methods


---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/QCT649-2013
AUTOMOBILE INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.50 T 23 Replacing QC/T 649-2000 Motor Vehicles - Steering Control Mechanism - Performance Requirements and Test Methods ISSUED ON: APRIL 25, 2013 IMPLEMENTED ON: SEPTEMBER 01, 2013 Issued by: Ministry of Industry and Information Technology of PRC

Table of Contents

Foreword ... Error! Bookmark not defined. 1 Scope ... 8 2 Normative References ... 8 3 Terms and Definitions ... 8 4 Test Sample ... 9 5 Performance Requirements ... 9 6 Test Methods ... 12 Attachment Standard No., standard name and implementation date of 71 industry standards of automotive industry No. Standard No. Standard name Standard No. replaced Implementation date 476 QC/T 427-2013 Automobile use battery main switch technical requirement QC/T 427-1999 2013-09-01 477 QC/T 431-2013 Spark plug ceramic insulator specifications QC/T 431-1999 QC/T 432-1999 QC/T 433-1999 QC/T 434-1999 QC/T 435-1999 QC/T 436-1999 QC/T 437-1999 2013-09-01 478 QC/T 29032-2013 Alarms sensor for automobile air filters QC/T 29032- 1991 2013-09-01 479 QC/T 526-2013 Automobile engine - Engineering approval evaluation program QC/T 526-1999 2013-09-01 480 QC/T 68-2013 Technical Specification of Magneto for Motorcycles and Mopeds QC/T 68-1993 QC/T 69-1993 2013-09-01 481 QC/T 898-2013 Wire spoke of motorcycles and mopeds 2013-09-01 482 QC/T 899-2013 Spoke nipple of motorcycles and mopeds 2013-09-01 483 QC/T 684-2013 Specifications of sealing gaskets for engines of motorcycles and mopeds QC/T 684-2002 2013-09-01 484 QC/T 225-2013 Technical Specification of Starting Motor for Motorcycles and Mopeds QC/T 225-1997 2013-09-01 485 QC/T 64-2013 Carburetor of motorcycle and moped QC/64-2013 QC/65-2013 2013-09-01 486 QC/T 902-2013 Technical Specifications of Motorcycle Electronic Control Fuel-injection System 2013-09-01 487 QC/T 29117-2014 Test Regulations for the Engine of Motorcycle and Moped Production Quality QC/T 29117.10- 1993 2013-09-01 488 QC/T 29115-2013 Test regulations for motorcycle and moped production quality QC/T 29115- 1993 QC/T 29117.2- 1993 QC/T 20117.3- 1993 2013-09-01 489 QC/T 903-2013 Fault-types for motorcycles and mopeds 2013-09-01 490 QC/T 904-2013 Wheels hub of motorcycles and mopeds 2013-09-01 491 QC/T 305-2013 Motor vehicles - Hydraulic power steering control valve - Performance requirements and test methods QC/T 305-1999 QC/T 306-1999 2013-09-01 492 QC/T 529-20134 Motor vehicles - Hydraulic power steering gear - Technique requirements and test methods QC/T 529-2000 QC/T 530-2000 2013-09-01 493 QC/T 649-2013 Motor vehicles - Steering control QC/T 649-2000 2013-09-01 Motor Vehicles - Steering Control Mechanism - Performance Requirements and Test Methods

1 Scope

This Standard specifies the performance requirements and test methods for automobile steering control mechanism. This Standard is applicable to automobile steering control mechanism.

2 Normative References

The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document. GB 11557 The Stipulation Protecting Drivers from Being Injured by Motor Vehicle Steering Mechanism GB 15740 Protective Devices against Unauthorized Use of Motor Vehicles GB/T 5179 Motor Vehicle – Steering System – Terms and Definitions QC/T 563 Test Methods for Automobile Steering Wheel QC/T 647 Automobile Steering Universal Joint Assembly Performance Requirements and Test Methods

3 Terms and Definitions

For the purpose of this Standard, the terms and definitions given in GB/T 5179 and the following apply. 3.1 Center of steering wheel Fix the steering wheel on the steering shaft according to the loading method, and the center of the center circle of the steering wheel rim. 5.1.4 Torsion clearance of sliding spline For the sliding spline structure, the twisting angle of the sliding spline is no greater than 25'. 5.2 Rotating torque 5.2.1 No-load rotating torque of steering column. Rotating torque is no greater than 0.30N • m; change rate of rotating torque, k, is no greater than 33.3%. 5.2.2 Change Rate of load rotating torque of steering column assembly. The change rate of load rotating torque of steering column assembly, k, is no more than 20%. 5.3 Steering column adjustment characteristics 5.3.1 Angle adjustment force of steering column. The angle adjustment force of steering column is no greater than 98N, and there is no abnormal feeling during operation. 5.3.2 Height adjustment force of steering column. The height adjustment force of steering column is no greater than 160N, and there is no abnormal feeling during operation. 5.3.3 Angle adjustment and holding force of steering column. The angle adjustment and holding force of steering column is no less than 490N. 5.3.4 Height adjustment and holding force of steering column. The height adjustment and holding force of steering column is no less than 490N. 5.3.5 Operating force of the handle. The operating force of the handle is in the range of 49N ~ 147N. 5.4 Rigidity 5.4.1 Vertical bending rigidity. The amount of vertical bending deformation is no greater than 0.5mm. 5.4.2 Lateral bending rigidity. 5.9.5 Sliding spline wear test. The increase in clearance in the direction of rotation is no greater than 5'. 5.10 Vibration test 5.10.1 Vibration test. There is no damage to each part; and the tightening bolts are not loose; and no abnormalities are allowed. 5.10.2 Resonant frequency. The resonant frequency is no less than 35Hz. 5.11 Universal joint test The performance requirements of the universal joint are implemented according to QC/T 647.

6 Test Methods

6.1 General The symbols used in the test methods are instructed as follows: p - Force applied to the test sample during test, such as p1, p2, …; T - Torque applied to the test sample during the test, such as: T1, T2, …; F - Force generated by sample test results, such as: F1, F2, …; M – Torque generated by sample test results, such as M1, M2, …; Θ1 – Angle between the steering column axis and horizontal line; ± - Refers to the application of force, torque, rotation angle, displacement direction, respectively. 6.2 Clearance measurement 6.2.1 Axial clearance. Fix the steering column according to the loading method, see Figure 1. Apply axial force p1 = ±29.4N to the steering wheel side of the steering shaft; plot the relationship curve between the steering shaft axial force p1 and the axial clearance δ, see Figure 2. δ1 is the axial clearance. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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