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美国脚轮标准

4 TEST APPARATUS 測試儀器

This section establishes the basic design requirements for the various apparatus types used to test casters and wheels. Refer to sections 5 –8 for the testing procedures and acceptance

criteria for specific types of casters as follows:

以下所述是關於用以測試輪子的多種設備之基本設計需要。Section5-8是關於測試特殊輪子之過程及標準接受度。

Section 5 –Furniture Chair Casters 家具(椅子)用小腳輪

Section 6 –Furniture Non-Chair Casters 家具(非椅子)用小腳輪

Section 7 –Industrial Casters 工業用小腳輪

Section 8 –Institutional and Hospital Bed Casters 醫療床用小腳輪

Note that all recording instruments, weights, loads, gages, timing devices and measuring devices shall be calibrated on a regular basis.

紀錄所有的器具、重量、裝載量、尺寸時,計時儀器及測量儀器都應該要使用相同的規格。4.1 Sequence of Tests for All Ca sters

Initial Wheel Play Test (4.2) 初期輪胎運轉測試

Initial Swivel Play Test (4.3) 初期轉環運轉測試

Rollability Test (4.4) 轉動能力測試

Electrical Resistance Test (4.5) 電氣抵抗測試

Initial Wheel Brake Efficiency Test (4.6) 初期輪胎煞車效果測試

Initial Swivel Lock Efficiency Test (4.6) 初期轉環鎖定效果測試

Braking and/or Locking Device Fatigue Test (4.7) 煞車及鎖定設備疲勞檢測

Dynamic Test (4.4) 力學測試

Final Wheel Brake Efficiency Test (4.6) 最終輪胎煞車效果測試

Final Swivel Lock Efficiency Test (4.7) 最終轉環鎖定效果測試

Final Wheel Play Test (4.2) 最終輪胎運轉測試

Final Swivel Play Test (4.3) 最終轉環運轉測試

Static Test (4.8) 靜態測試

Side Load Test (4.9) 側邊裝載測試

Caster –Vertical Impact Test (4.10) 小腳輪垂直衝擊測試

Wheels –Vertical Impact Test (4.10) 輪胎垂直衝擊測試

4.2 Wheel Play Test 輪子運轉測試

This section establishes the basic requirements for an apparatus to measure wheel play at the beginning of the test sequence and at the end of the test sequence.

以下所述是關於使用設備來測量檢查輪胎運轉(開始及結束)所需要的基本設備。

4.2.1 The test fixture shall be so constructed as to rigidly fix the caster assembly in a horizontal or vertical position.

用來測試的設備需要被設計的能夠牢固的以水平或垂直的方式固定小腳輪。

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