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GB/T 21681-2008 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21681-2008: Analog load testing system for CNC presses and hydraulic presses
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21681-2008	209	Add to Cart	3 days	Analog load testing system for CNC presses and hydraulic presses	Valid

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Basic data

Standard ID: GB/T 21681-2008 (GB/T21681-2008)
Description (Translated English): Analog load testing system for CNC presses and hydraulic presses
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J62
Classification of International Standard: 25.120.10
Word Count Estimation: 9,954
Date of Issue: 2008-04-22
Date of Implementation: 2008-10-01
Quoted Standard: GB/T 191; GB/T 3369
Regulation (derived from): National Standard Approval Announcement 2008 No.6 (Total No.119)
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 CNC press, technical requirements for hydraulic load test simulation systems, test methods, inspection rules, signs, packaging, storage and transportation. This standard applies to CNC presses, hydraulic machine with a simulated load test system is also applicable to mechanical presses, Friction press with simulated load test system.

GB/T 21681-2008: Analog load testing system for CNC presses and hydraulic presses

---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.
Analog load testing system for CNC presses and hydraulic presses ICS 25.120.10 J62 National Standards of People's Republic of China CNC presses, hydraulic machine load simulation test system Posted 2008-04-22 2008-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Machinery Industry Federation. This standard by the National Forging Machinery Standardization Technical Committee (SAC/TC220) centralized. This standard is mainly drafted by. Jinan Foundry and Metalforming Machinery Research Institute, Jinan Forging Machinery Co., Ltd. by Zimmer. The main drafters of this standard. Ma Liqiang, Chen Hong. CNC presses, hydraulic machine load simulation test system

1 Scope

This standard specifies the NC press, the technical requirements of hydraulic simulation load test systems, test methods, inspection rules, marking, packaging, Storage and transportation. This standard applies to CNC presses, hydraulic machine simulated load test system, but also for mechanical presses, friction presses analog Load test system (hereinafter referred to as the test system).

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 191 Packaging - Pictorial signs (GB/T 191-2000, eqv ISO 780.1997) GB/T 3369 Industrial Automation Instrumentation Analogue direct current signals GB/T 3370 Industrial Automation Instrumentation analog DC voltage signal GB/T 7551-1997 weighing sensor GB 9969.1 Instructions Industrial Products GB/T 13639-1992 industrial process measurement and control systems analog digital indicator GB/T 15464 instrumentation packaging technology JB/T 1399 industrial automation, instrumentation and arrangement of terminals logo

3 Terms and Definitions

GB/T 7551 and GB/T 13639 and established the following terms and definitions apply to this standard. 3.1 By adjusting the height of the strike closed NC press load sensor leaving NC striking force generated by the press, or by adjusting the hydraulic pressure Machine height closed hydraulic system pressure and the striking force against leaving the hydraulic load cell generated. 3.2 For measuring the impact force load cell. 3.3 It can be applied to the load cell without exceeding the maximum permissible error of the maximum force. 4. Technical Requirements 4.1 Requirements Working conditions 4.1.1 Reference test system, normal working conditions and transport conditions should be consistent with GB/T 13639-1992 specified in 4.3 A group instrument requirements. 4.1.2 Minimum warm-up time test system for 15min. 4.1.3 influence quantity testing system includes a main power supply variations, common mode interference, series mode interference, grounding, external magnetic field, temperature, humidity, installation ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21681-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21681-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 21681-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21681-2008_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.