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Basic data | Standard ID | GB 10054.2-2014 (GB10054.2-2014) | | Description (Translated English) | [GB/T 10054.2-2014] Builders hoists for goods -- Part 2: Inclined hoist with non-accessible load carrying devices | | Sector / Industry | National Standard | | Classification of Chinese Standard | J80 | | Classification of International Standard | 53.020.99; 91.140.90 | | Word Count Estimation | 35,35 | | Date of Issue | 7/24/2014 | | Date of Implementation | 12/1/2014 | | Older Standard (superseded by this standard) | GB/T 10054-2005; GB 10055-2007 | | Quoted Standard | GB/T 3766; GB/T 3811-2008; GB 4208; GB/T 5013.1; GB 5226.1-2008; GB 5226.2-2008; GB/T 5972; GB 14048.5; GB/T 14574; GB/T 15706-2012; GB 16574-2008; GB/T 18831; GB/T 20118; GB 23821-2009 | | Adopted Standard | EN 12158-2-2000+A1-2010, MOD | | Regulation (derived from) | National Standards Bulletin No. 19, 2014 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the tilt freight elevator manufacturing, installation, use, maintenance, safety and technical requirements. This standard applies to power-driven, temporary installation by building construction site personnel, the service station |
GB 10054.2-2014: [GB/T 10054.2-2014] Builders hoists for goods -- Part 2: Inclined hoist with non-accessible load carrying devices ---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Builders "hoists for goods Part 2. Inclined hoist with non-accessible load carrying devices
ICS 53.020.99; 91.140.90
J80
National Standards of People's Republic of China
Partially replace GB/T 10054-2005, GB 10055-2007
Freight elevator construction
Part 2. The carrier must not tilt into
Lifts
Part 2. Inclinedhoistswithnon-accessibleloadcarryingdevices
Issued on. 2014-07-24
2014-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 2
3 Terms and definitions 3
4 4 danger list
5 Safety requirements and/or measures 7
6 Verify 17
7 information 20
Appendix A (informative) Electrical safety devices 26
Annex B (informative) of this section and EN12158-2.2000 A1.2010 reg and chart number of changes compared to 27
Annex C (informative) of this section and EN12158-2.2000 A1.2010 technical differences and their causes 29
References 31
Foreword
Part 1, Chapter 2, Section 3, Chapter 4, 5.2.2.1 ~ 5.2.2.6,5.2.2.8.1,5.2.2.8.3,5.2.2.10,5.2.3,5.2.4,
5.2.6,5.4.4 first two lines, the first column of item 5.6.3.2 are recommended, the rest are mandatory.
GB 10054 "freight elevator construction" is divided into two parts.
--- Part 1. carriers can enter the elevator;
--- Part 2. non-carrier into the inclined lift.
This section GB Part of 210,054.
This section is a Class C standard GB/T 15706 requirements.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part redrafted law revision using EN12158-2.2000 A1.2010 "freight elevator construction - Part 2. carrying
Means non-tilt into the lift. "
This portion of EN12158-2.2000 A1. compared to 2010, the number of clauses and chart changes, listed in Appendix B of this Part
Points and EN12158-2.2000 A1.2010 and the graph changes compared reg control list.
This portion of EN12158-2.2000 A1.2010 compared to the existence of technical differences are given in Appendix C of this section and EN12158-
2. Difference and a list of technical reasons 2010.2000 A1.
This part made the following editorial changes.
--- Deleted EN12158-2.2000 A1.2010 preface, introduction and appendix ZA on EU Machinery Directive, an increase of this
Part of the preface;
--- Range added "GB 10054 of the provisions of this part of the carrier can not enter the tilting goods lifts (hereinafter referred to as
"Lift") manufacture, installation, use and maintenance of safety and technical requirements, "the statement language standardization objects;
--- Added Appendix B "in this section and EN12158-2. reg number and chart the changes compared to 2010.2000 A1";
--- Added Appendix C "in this section and EN12158-2.2000 A1.2010 technical differences and their causes."
This part is proposed by China Machinery Industry Federation.
This part of the National Standardization Technical Committee elevating work platform (SAC/TC335) centralized.
This section is drafted. Langfang Kaibo Construction Machinery Co., Ltd., Beijing CIB Machinery Technology Co., Ltd., Shandong Province special equipment
Inspection and Research Institute, Guangzhou City Jinglong Engineering Machinery Co., Ltd., Tianjin Xianghe Machinery Co., Ltd., Beijing Institute of Construction Mechanization.
The main drafters of this section. Sun Hongyan, Tianguang Fan, Liu Bao, Liu Yuejin, Huang Jialiang, cattle serene, Yin Wenjing.
Freight elevator construction
Part 2. The carrier must not tilt into
Lifts
1 Scope
GB 10054 of the provisions of this part of the carrier can not enter the tilting goods lifts (hereinafter referred to as "lift") manufacture, Ann
Installation, use, maintenance, safety and technical requirements.
This section applies to power-driven, temporary installation by building construction site personnel, the service station or in an upper layer of the work
Region extends to the rail terminal (for example, on the roof), and with the construction of the lift carrier. Having the following characteristics.
--- Only for transporting cargo;
--- Carrier at any time into the prohibited personnel;
--- Carrier with a guide;
--- Carrying means at least in the vertical direction of 30 ° to run and may be required in the vertical direction and the manufacturer's maximum angle of inclination
Any angle between the lower use;
--- Carriers supported by ropes and compulsory transmission;
--- Carriers by the operator through the stop - motion control means controls;
--- Carrier does not use any weight;
--- Carrier maximum rated load of 300kg;
Means the maximum speed --- the carriage of 1.00m/s;
--- Guides require support independent of structures.
Part 4 of this chapter lists the dangers identified in this section of the machine may occur at various stages of life, and indicates
Eliminate or reduce these dangerous methods according to the manufacturer's instructions for use.
Safety requirements of this part and/or measures involving the lift chassis, rails, carriers, transmissions, electrical and/or hydraulic means
And control system design. It includes any rail support design, but does not include a support structure (e.g. a building or scaffolding) and any by
Design wall shelf. If any other concrete, gravel, wood or other basic configuration of the design, the bottom of the fence, and lift channel protection
An upper landing, discussed in the instruction manual part of this section.
This section does not include the following additional requirements.
--- Poor working conditions (such as extreme weather, ferromagnetic properties);
--- Lightning;
--- Special circumstances (such as potentially explosive environments) and shall be subject to special rules;
--- Electromagnetic compatibility (emission, immunity);
--- Dangerous loads (such as molten metals, acid/alkaline materials, radioactive materials, fragile items) processing;
--- Use of the internal combustion engine;
--- Using the remote control device;
--- The risk of manufacturing processes;
--- Danger Because of the transition movement generated;
--- Danger when erected on public roads;
---earthquake;
---noise.
This section does not apply to.
--- Permanent installation of an elevator;
--- People and goods of dual-use construction lifts;
--- Carriers can enter the freight elevator construction;
--- Carrier by a hydraulic cylinder (directly or indirectly) driven construction hoist;
--- Furniture lifts;
--- Conveyor;
--- By the lifting equipment work hanging cage;
--- Forks supported lifting platform;
--- Working platform;
--- Cable car;
--- Specially designed for military use lifts;
--- Mine hoists;
--- Stage lifts;
--- Special purpose lifts.
This part is applicable after the date of its implementation of the production machine.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 3766 Hydraulic System General technical conditions (GB/T 3766-2001, eqvISO 4413.1998)
GB/T 3811-2008 crane design specifications
GB 4208 housing protection (IP Code) (GB 4208-2008, IEC 60529.2001, IDT)
GB/T 5013.1 rated voltage of 450/750V and below rubber insulated cables - Part 1. General requirements (GB/T 5013.1-
2008, IEC 60245-1.2003, IDT)
GB 5226.1-2008 Safety of machinery - Electrical machinery and electrical equipment - Part 1. General requirements (IEC 60204-1.2005,
IDT)
GB 5226.2-2002 Safety of machinery electrical equipment Part 32. Requirements for hoisting machines (IEC 60204-32.
1998, IDT)
GB/T 5972 crane wire rope maintenance, maintenance, installation, examination and discard (GB/T 5972-2009, ISO 4309.
2004, IDT)
GB 14048.5 low-voltage switchgear and control equipment Part 5-1. Control circuit devices and switching elements - Electromechanical control circuit
Road Electric (GB 14048.5-2008, IEC 60947-5-1.2003, MOD)
GB/T 14574 Acoustics Declaration and verification of noise emission values of machinery and equipment of (GB/T 14574-2000, eqvISO 4871.
1996)
GB/T 15706-2012 Safety of machinery - General principles for design risk assessment and risk decreases (ISO 12100.2010, IDT)
GB 16754-2008 Safety of machinery - Emergency stop design principles (ISO 13850.2006, IDT)
Interlock design GB/T 18831 mechanical belt guard and selection principles (GB/T 18831-2010,
ISO 14119.1998 and Amd.1.2007, MOD)
GB/T 20118 General Purpose Wire Rope (GB/T 20118-2006, ISO /DIS2408.2002, MOD)
GB 23821-2009 Safety of machinery - Safety distances to prevent danger zones being reached on the lower limbs (ISO 13857.2008, IDT)
3 Terms and Definitions
GB/T 15706 and defined by the following terms and definitions apply to this document.
3.1
Rated load ratedload
Rated load
Lifts designed to determine the operating condition of carrying the maximum load. The load may depend on the configuration of the elevator (ie, inclination, rail length
Degree and carrier).
3.2
Rated speed ratedspeed
Designed to determine the speed of the carrier means.
3.3
Forced drive positivedrive
Not to pass power transmission through friction.
3.4
Rope lift ropehoist
As the use of wire rope suspension system load lift.
3.5
Rope end connection wireropetermination
Or fixing the rope end connection and method allows a rope used.
3.6
Check checkvalve
While maintaining a predetermined pressure, only allows the hydraulic oil in a preset direction of flow valve.
3.7
Brace baseframe
For supporting and installing lifts Other lifts the lowermost part of the framework for all components.
3.8
Chassis chassis
So undercarriage lift can run on the road.
3.9
Rails guiderails
Determining the rigid element means the path of travel of the carriage.
3.10
Bend joint kneesection
Between two rail sections change its inclination guide element.
3.11
Hoistway hoistway
All space transportation device and load operation.
3.12
Rail section guiderailsection
Composition rail structure no longer divided, commonly referred to as standard section.
3.13
Rail support guiderailsupport
Between the rail and the ground or building structure to provide support for the rail connection system.
3.14
Carrier loadcarryingdevice; LCD
Carrying member lifts the load.
3.15
Braking distance stoppingdistance
Disconnected from the control or safety circuit to completely stop moving the carrier, the carrier means to move away from.
3.16
Songsheng slackrope
Tensioned wire rope due to external loads and in the elimination of the state.
3.17
Anti-broken rope device brokenropedevice
Carrier means to prevent falling when the suspension rope breaks.
3.18
Landing landing
The carrier layer or dock loading and unloading work area.
3.19
Safe distance safetydistance
He took a lift to any moving parts and allows a channel between (inlet) minimum distance.
3.20
Running normaloperation
Equipment used for general operating conditions when transporting loads, and does not include maintenance, installation and removal, etc. operating conditions.
3.21
Professional competentperson
Properly trained and the necessary guidance, have sufficient knowledge and practical experience to perform the necessary work program designee.
4 danger list
The following list is based on the risk of GB/T 15706 determined.
To control risks in each case or reduce the risk of Table 1 and Table 2 lists the dangerous part of this recognition and this section presents the appropriate
Claim.
This section is not applicable hazardous or non-significant risk without making claims, their respective terms of number of "not applicable" means.
Table 1 and inclined lifts conventional design and manufacturing-related dangers
No. Dangerous corresponding provisions in this section
1 Mechanical hazards
1.1 Extrusion 5.5.2,5.6.2,7.1.2.8
1.2 Cut 5.6.2,7.1.2.8
1.3 cutting or severing 5.5.2,5.6.2,7.1.2.8
1.4 winding 5.6.2,7.1.2.8
Table 1 (continued)
No. Dangerous corresponding provisions in this section
1.5 inhalation or involvement 5.6.2,7.1.2.8
1.6 Impact 7.1.2.8
1.7 stabbing or piercing NA
1.8 friction or wear 5.6.2,7.1.2.8
1.9 high-pressure liquid jet 5.7
1.10 parts flying 5.5,5.6.1
1.11 Stability loss 5.2,5.3,5.4,7.1.2.8
1.12 Slip, trip and fall 5.3.4,5.5.2
2 electrical hazards
Electric shock 2.1 5.8
2.2 Electrostatic phenomena Not applicable
2.3 thermal radiation NA
2.4 External influences 5.6.2,5.6.4.11,5.8.2
3 thermal hazards
Burns and scalds 3.1 NA
3.2 damage to health NA
4 noise hazard
4.1 Hearing loss is not covered, see Chapter 1
4.2 interference call is not involved, see Chapter 1
5 vibration danger Not applicable
6 radiation risks
6.1 arc NA
6.2 Laser NA
6.3 ion radiation NA
6.4 frequency electromagnetic fields not covered
7 dangerous machinery processing, use, produce or discharge of material and substance-induced
7.1 contact or inhalation of toxic liquids, gases, fog, smoke and dust NA
7.2 fire or explosion NA
7.3-biological and microbiological NA
Ergonomics danger caused by neglect 8 design
8.1 5.1 Unhealthy postures or excessive force
8.2 does not take full account of the anatomy of the hand/arm or foot/leg 5.5.1
8.3 ignore personal protective equipment Not applicable
8.4 insufficient lighting 7.1.2.8.3
Table 1 (continued)
No. Dangerous corresponding provisions in this section
8.5 psychological burden too heavy or ill-prepared 5.9
Human error 8.6 7.3
9 Comprehensive danger not covered
10 power interruption, damage to machine parts and functions of the confusion caused by dangerous
10.1 power interruption 5.6.4.1,5.9.5
10.2 flying machine parts or spillage or splashes 5.7.2,5.7.3
10.3 the control system failure or malfunction 5.8.1,5.9.3
10.4 assembly error 5.4.3,5.8.3,7.1.2.8
10.5 tipping machine, unexpected loss of stability 5.2,7.1.2.8
11 security-related measures/means deletion and/hazard caused by incorrect installation or
11.1 guards 5.5.1,7.1.2.8.4
11.2 security-related (protection) devices 7.1.2.8.4
11.3 Starting and stopping device 5.8.4,5.9.4,7.1.2.8
Safety signs and symbols 7.2 11.4
Information or warning device 7.2, 7.3, 11.5
11.6 power cut-off device 5.8.1
11.7 emergency stop devices 5.9.3,5.9.4,7.1.2.10
11.8 workpiece disassembly NA
11.9 Adjustment for safety and/or maintenance of basic equipment and attachments 5.9.4.4
11.10 exhaust NA, see Chapter 1
Table 2 relates to lift mobility and/or lift loads of special danger
No. Dangerous corresponding provisions in this section
Dangerous transition caused by the movement
12 mobile/work areas not covered by insufficient lighting, see Chapter 1
13 jobs in danger caused by the instability caused by the sudden movement, etc. not covered, see Chapter 1
14 operating positions poorly designed/do not meet the ergonomics are not covered, see Chapter 1
15 mechanical hazards not covered, see Chapter 1
Dangerous operation due to lifting 16
16.1 loss of stability 5.1,5.2,5.3
16.2 Carrier 5.4 derailment
Loss of 16.3 machinery and lifting accessories mechanical strength 5.1,5.4,5.6.3
16.4 dangerous uncontrolled movement caused 5.4,5.6.4,5.6.5,5.8
Dangerous 5.8,7.2 insufficient due to movement of the moving member 17 observation horizons
18 danger caused by lightning is not covered, see Chapter 1
19 loading/overload danger caused 5.2,5.5.1,7.1.2.9
5 Safety requirements and/or measures
5.1 General
Lift shall be designed for safe use, frequent mounting and dismounting as well as maintenance and transportation. Should be considered for the correct operation of the ambient temperature
At least in the range between -5 ℃ ~ 40 ℃.
Design of all components in the installation process requires handling, such as rail section should be considered which corresponds to the weight of manual handling. When more than
When the allowable weight of manual handling, the manufacturer shall give advice in the instructions for use. All removable and non-removable cover applications
From the fastener tightening.
5.2 Load combinations and calculated
5.2.1 General
Design and manufacture of lift structure should be able to meet all the necessary predetermined intensity working condition, including the installation, removal and low temperatures
Environment.
The whole structure of the components and structures should be designed to 5.2 are listed all the possible load combinations based. Load combination should consider carrying
The most unfavorable position of the device and associated with the guide rail and its support loads, including the process of running the carrier and any movement, such as carrying
Tilt device. Manufacturers should consider the full range of possible predetermined angle. Considered as part of the lift rail support structure.
5.2.2 force and load
5.2.2.1 Structure static load lift
All should be considered in addition to static load carrier and the carrier together with the movement of the device.
Static load 5.2.2.2 lift moving parts
Still should be considered without any load carrying means and the movement of all carriers together equipment loads.
5.2.2.3 carrier rated load
Rated load should be considered not in favor either side of the center, offset equal to 10% of the width of the carrier (when carrier pre
When a given carrier for extended load of 25%) (see Figure 1). Specially arranged for the special materials which may be necessary to use other loads
Configuration.
NOTE. X = 10% W or 25% W, see 5.2.2.3.
Figure 1 off-center load ratings
5.2.2.4 carrier uniformly distributed load
To calculate, it should consider placing at least 3kN/m2 uniformly distributed load carrying device on the area, supporting the load area of the guide rail
Area at right angles.
5.2.2.5 The collision with the end of the rail
If the lift is designed to be driven by the carrier to the terminal running rail limit switch is triggered, the carrier shall be designed to withstand
With and without rated load at rated speed is driven to the rail terminal (see also 5.5.1.8). You should consider the stall torque and driveline
inertia.
5.2.2.6 Impact Coefficient
Force motion loads for all actual load gravity (carrier, the rated load, wire rope, etc.) multiplied by the impact factor μ =
1.1 0.264v, where v is the rated speed in m/s. If other factors proved to be more accurate, you can use other factors.
5.2.2.7 Anti-force action caused by broken rope device
The sum of the force for the movement of anti-load operation of the broken rope device caused by a factor of 2.5. If the load is loaded up to 1.25 times the rated load
In all cases be able to verify the charge coefficient is small, you can use this smaller factor, but not less than 1.2.
5.2.2.8 design wind load
5.2.2.8.1 General
Pressure q according to equation (1).
q = 0.625v2w (1)
Where.
q --- pressure in Newtons per square meter (N/m2);
vw --- wind speed in meters per second (m/s).
Under no circumstances assume the wind blowing in any horizontal direction, the calculation should consider the most unfavorable direction.
Except as provided in 5.2.2.8.2, the wind load according to GB/T 3811 calculated, but the lift acting on the calculation of wind pressure, should at least consider
5.2.2.8.3 listed three cases.
5.2.2.8.2 acting on the carrier's air carrier
When the wind load on the computing device and is designed to carry loads (for example 1.2m × 2.5m boards) it should be assumed that the area should be solid and
Multiplied by a factor 1.2. Coefficient 1.2 contains a shape factor and wind reduction factor.
5.2.2.8.3 Pressure
5.2.2.8.3.1 working state pressure
Does not consider the minimum height, air pressure should be q = 100N/m2, the corresponding wind speed vw = 12.5m/s.
5.2.2.8.3.2 non-working state pressure
Nonoperating pressure depends on the height above the ground and lift installation area.
Nonoperating wind pressure and wind pressure height variation coefficient according to GB/T 3811-2008 Table 18 and Table 19 selection.
5.2.2.8.3.3 mounting and dismounting pressure conditions
Irrespective of height, minimum air pressure should be q = 100N/m2, the corresponding wind speed vw = 12.5m/s.
5.2.2.9 bearing surface of the carrier
Carrier bearing surfaces most unfavorable 0.1m × 0.1m square area should be able to withstand 75kg of static load without permanent deformation.
5.2.2.10 installation error
Computing should be considered in any direction there is at least a mounting error of 2.5 °.
5.2.3 safety factor
5.2.3.1 Steel
Steel member and the calculation method of connection should comply with GB/T 3811-2008 Chapter 5, and at least should be strong
, Stability and the necessary connections, rigidity and other design calculations, but the safety factor in Table 3 selection. Table 3 load cases are shown in Table 5.
Table 3 Steel safety factor
Safety factor load cases n
A ≥1.50
B ≥1.33
C ≥1.25
5.2.3.2 Aluminium structures
Aluminum structure is at least strength, stability and the necessary connections, rigidity design calculations should be carried out. When calculating the stress, you should consider deformation structures.
It can be used to calculate second order theory.
Note. Refer to GB 50429. But to consider their use of the limit state design method of this part of the allowable stress design method, it applies industrial and
Civil structures and differences with the elevator structure.
Allowable stress is selected according to the formula (2) the smaller the calculated safety factor according to Table 4 to select. Table 4 load cases are shown in Table 5.
[Σ] = σS/nS or σb/nb (2)
Where.
sS --- yield strength, in units of cattle per square millimeter (N/mm2);
nS --- corresponds to the safety factor of yield strength as shown in Table 4;
[Sigma] B --- tensile strength, in units of cattle per square millimeter (N/mm2);
nb --- safety factor corresponding to the tensile strength (Table 4).
Table 4 aluminum structure safety factor
Safety factor load cases nS (corresponding to the yield strength) safety factor nb (corresponding to the tensile strength)
A ≥1.70 ≥2.50
B ≥1.55 ≥2.25
C ≥1.41 ≥2.05
5.2.4 load conditions and loads and forces shall be calculated in different combinations
Different combinations of load cases and loads and forces shall be calculated in Table 5.
Table 5 load cases
Reference load cases load cases according 5.2.2. (X) a force and effect of loading conditions b
Ⅰa
.( Normal structures, including rail, rail support, bottom
Frame, undercarriage support, buffer, and all other non-transport
Movable structure)
(1), (8.3.1)
(2) multiplied by (6)
(3) multiplied by (6)
(5)
Ⅰb normal use. carrier
(8.3.1)
(2) multiplied by (6)
(3) multiplied by (6)
(5)
Force Ⅱa abnormal situations. Rail
(1), (8.3.1)
(2) multiplied by (6)
(4) multiplied by (6)
Force Ⅱb exceptions. the carrier
(8.3.1)
(2) multiplied by (6)
(4) multiplied by (6)
Anti-broken rope device under the action Ⅲa anomalies. rail
(1), (8.3.1)
(2) multiplying (7)
(3) multiplied by (7)
Anti-broken rope device under abnormal conditions Ⅲb Role. Carrier
(8.3.1)
(2) multiplying (7)
(3) multiplied by (7)
Anti-broken rope device under abnormal conditions Ⅲc effect. anti-broken rope device
(2) multiplying (7)
(3) multiplied by (7)
Ⅳ Nonoperating. rail (1), (8.3.2) B
Installation (structure, including rail, rail support, a chassis bottom
Bracing, buffers and all other non-motor structure
Member)
(1), (8.3.3)
(2) multiplied by (6)
aX representatives subclause 5.2.2 to your number. For example, load conditions Ⅰb (normal. carrier) should be calculated 5.2.2.8.3.1,5.2.2.2,5.2.2.3,
5.2.2.5 and 5.2.2.6 and the predetermined force load the table reduces to (8.3.1), (2), (3), (5) and (6).
b Table 3 and Table 4.
5.2.5 Stability
For free standing installation in lifts, should load cases and safety factor in Table 6, according to equation (3) checking its
stability. All the stabilizing force coefficient of 1.0.
ΣM1 ≥ΣM2 × n0 (3)
Where.
M1 --- stable torque;
M2 --- overturning moment;
n0 --- stability and the safety factor overturning forces, see Table 6.
Table 6 various safety factor overturning forces n0
Load or force according to 5.2.2. (X) a safety factor n0
Overturning moment member of static load (1), (2) 1.2
Installation and removal of wind load (8.3.3) 1.1
Installation error (10) 1.0
a Table 5 Note a.
Fatigue stress analysis 5.2.6 Transmission and brake system components
5.2.6.1 respond prone to fatigue failure of all the carriers and joint fatigue stress analysis, such as shafts and gears. Analysis should be considered
Power cycle characteristics and the number of stress cycles, the stress load cycles but multiple cycles.
...
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