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GB/T 30214-2013: Aircraft -- Non-metallic pulleys with ball bearings for control cables -- Dimensions and loads
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GB/T 30214-2013: Aircraft -- Non-metallic pulleys with ball bearings for control cables -- Dimensions and loads

---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.
Aircraft. Non-metallic pulleys with ball bearings for control cables. Dimensions and loads ICS 49.140 V04 National Standards of People's Republic of China Aircraft control cable with ball bearings Non-metallic pulley size and load (ISO 7939. 1988, IDT) Issued on. 2013-12-31 2014-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses the translation method identical with ISO 7939. 1988 "with the aircraft control cable pulley size and non-metallic ball bearings Load. " This standard made the following editorial changes. --- Increase the informative appendix NA "standard recommended." The standard proposed by China Aviation Industry Corporation. This standard by the National Standardization Technical Committee Aviation (SAC/TC435) centralized. This standard was drafted. Aviation of China Institute of Technology, Northwestern Polytechnical University. The main drafters of this standard. Li L, Qi Shu-hua, Wen put. Aircraft control cable with ball bearings Non-metallic pulley size and load

1 Scope

This standard specifies the requirements for an aircraft control cables, pulleys and fitted with a non-metallic ball bearings ISO 7938's. Use pulleys Temperature of -54 ℃ ~ 100 ℃.

2 Normative references

ISO 2020 Aerospace aircraft operated mechanical system parts - Preformed flexible steel wire rope technical specifications (Aerospace- Mechanicalsystemparts-Preformedflexblesteelwireropeforaircraftcontrols-Technicalspecifica- tion) ISO 7938 aircraft control cable pulley with ball bearings and load (Aircraft-Balbearingsforcontrol cables-Dimensionsandloads) ISO 7940 Aerospace Aircraft parts mechanical systems, control cable pulley specifications with non-metallic ball bearings (Aero- space-Mechanicalsystemparts-Non-metalicpuleyswithbalbearingsforaircraftcontrolcables- Technicalspecification) 1)

3 Description

Each should include non-metallic pulley wheel with a metal liner, and equipped with a ball bearing. Non-metallic materials should be consistent with the wheel Chapter 4 requirements, bearing shall comply with the requirements of ISO 7938, the liner is determined by the manufacturer. Assembled pulley size and ball bearings should meet Table 3 together.

4 body production

Wheel should contain reinforcing fabric or equivalent material, filled with a phenolic condensates, pressurizing them by heating together the appropriate system Into a finished product with a uniform intensity. You should only use materials approved accreditation bodies (see Table 1).

5 Requirements

5.1 Dimensions Pulley structure and dimensions comply with the requirements of Table 2 and Fig. 5.2 load and weight Starting torque, allowing the radial static load and weight shall comply with the requirements in Table 3. 1) at a draft stage. ...