1、 Scope 范围

1.1 This specification covers pyrometric requirements for equipment used for the thermal processing of metallic materials. Specifically, it covers temperature sensors, instrumentation, thermal processing equipment, correction factors and instrument offsets, system accuracy tests, and temperature uniformity surveys. These are necessary to ensure that parts or raw materials are heat treated in accordance with the applicable specification(s).

本规范涵盖了用于金属材料热加工的设备的热测量要求。具体而言，它涵盖了温度传感器、仪表仪表、热处理设备、校正因子和仪表偏移、系统精度测试和温度均匀性测量。这些是必要的，以确保零件或原材料按照适用的规范进行热处理。

1.2 This specification may be used in other non-heat treating applications when specified.

如果有规定，本规范可用于其他非热处理应用。

1.3 This specification is not applicable to heating or to intermediate thermal processing unless otherwise specified.

除非另有规定，本规范不适用于加热或中间热处理。

1.4 This specification applies to laboratory furnaces to the extent specified in 3.6.

本规范在3.6规定的范围内适用于实验室熔炉。

2、 Applicable Documents 适用文件

The issue of the following documents in effect on the date of the purchase order form a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply.

在采购订单日期生效的下列文件在此规定的范围内构成本规范的一部分。供应商可以进行文件的后续修订，除非规定了具体的文件问题。当被引用的文件被取消且没有指定替代文件时，该文件的最后一次发布应适用。

2.1 SAE Publications出版物

Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org.

AS7766 Terms Used in Aerospace Metals Specifications航空航天金属规范条款

2.2 ASTM Publications出版物

Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959,Tel: 610-832-9585, www.astm.org.

ASTM E29 Using Significant Digits in Test Data to Determine Conformance with Specifications在测试数据中使用有效数字来确定与规范的一致性

ASTM E207 Standard Test Method for Thermal EMF Test of Single Thermoelement Materials by Comparison with a Reference Thermoelement of Similar EMF-Temperature Properties通过与具有相似电动势温度特性的参考热敏元件的比较对单个热敏元件进行热敏电动势试验的标准试验方法

ASTM E220 Calibration of Thermocouples by Comparison Techniques用比较技术校准热电偶

ASTM E230 Temperature-Electromotive Force (EMF) Tables for Standardized Thermocouples标准热电偶温度-电动势(EMF)表

ASTM E608 Mineral-Insulated, Metal-Sheathed Base Metal Thermocouples矿物绝缘，金属护套贱金属热电偶

ASTM E1137 Industrial Platinum Resistance Thermometers工业铂电阻温度计

ASTM E1751 Standard Guide for Temperature Electromotive Force (emf) Tables for Non-Letter Designated Thermocouple Combinations非字母指定热电偶组合的温度电动势(emf)表的标准指南

ASTM MNL7 Presentation of Data and Control Chart Analysis数据展示和控制图分析

ASTM MNL12 Use of Thermocouples in Temperature Measurement在温度测量中热电偶的使用

2.3 IEC Publications出版物

Available from IEC Central Office, 3, rue de Varembe, P.O. Box 131, CH-1211 Geneva 20, Switzerland,

Tel: +41 22 919 02 11, www.iec.ch.

IEC 60751 Industrial Platinum Resistance Thermometers and Platinum Temperature Sensors工业铂电阻温度计和铂温度传感器

ISO/IEC 17025 General Requirements for the Competence of Testing and Calibration Laboratories检测和校准实验室能力的一般要求

2.4 Definitions定义

Terms used in AMS2750 are defined in AS7766 and as follows:

AMS2750中使用的术语在AS7766中定义如下：

2.4.1 Accuracy精度/准确度

The maximum deviation of the instrument or sensor being tested from the values of a traceable standard. 被测仪表或传感器与可追溯标准值的最大偏差。

2.4.2 Adjustment调整

Any change to an instrument’s parameters仪表参数的任何改变。

2.4.3 Autoclave高压釜

An oven capable of operating at pressures higher than atmospheric pressure (nominally 760 mm Hg), commonly used in the processing of materials. It may be pressurized with steam, compressed air, or inert gas.

一种能在高于大气压的压力(名义上760毫米汞柱)下工作的烘箱，通常用于材料加工。它可以用蒸汽、压缩空气或惰性气体加压。

2.4.4 Base Metal Sensor廉金属传感器

Sensor whose thermoelements are composed primarily of base metals and their alloys. Examples of base metal sensors include Types E, J, K, N, M, and T.

热元件主要由廉金属及其合金组成的传感器。基本金属传感器的例子包括类型E, J, K, N, M和T。

2.4.5 Batch Furnace周期炉

A furnace where parts or raw materialare stationary during the soak.

在浸泡过程中零件或原材料静止的炉。

Note: Some batch furnaces may oscillate material within a stationary work zone.

注意：有些间歇炉可能会在固定的工作区域内使物料摆动。

2.4.6 Bias Or Input Shift偏倚或输入偏移

The act of making an adjustment to an instrument to add, remove, or alter an offset.

对仪表进行调整以增加、删除或改变偏移量的行为

2.4.7 Bimonthly两月一次

See Frequency看到频率

2.4.8 Biweekly两周一次

See Frequency看到频率

2.4.9 Calibration校准

An assessment of the accuracy of a sensor or an instrument to a traceable standard sensor and/or field test or standard instrument, based on one or more measurements, and potentially adjusting an instrument and/or compiling a deviation chart for a sensor or instrument in order to ensure compliance with requirements.

对传感器或仪表对可追踪的标准传感器和/或现场测试或标准仪表的精度的评估，基于一次或多次测量，并可能调整仪表和/或编制传感器或仪表的偏差图，以确保符合要求。

2.4.10 Continuous Furnace连续炉

A furnace where parts or raw material are conveyed continuously or semi-continuously from the charge area to the discharge area. Examples include: bump furnace, shaker furnace, belt furnace, roller furnace, and rotary hearth furnace.

一种连续或半连续地将零件或原料从上料区输送到下料区的炉子。包括鼓式炉、摇床炉、带式炉、辊式炉、转底炉。

2.4.11 Control Instrument控制仪表

An instrument connected to a control sensor used to control the temperature of thermal processing equipment. The instrument may or may not also record temperature data.

一种连接到控制传感器的仪表，用于控制热加工设备的温度。仪表可能也可能不记录温度数据

2.4.12 Control Sensor控制传感器

A sensor connected to a control instrument on thermal processing equipment, the temperature of which may or may not be recorded.

一种与热加工设备上的控制仪表相连的传感器，其温度可以记录也可以不记录。

2.4.13 Control Zone控制区

A portion of the working zone in thermal processing equipment having a separate sensor, instrument, and heating or cooling system to control its temperature. This portion of the thermal processing equipment is independently controlled.

热加工设备中工作区域的一部分，具有单独的传感器、仪表和加热或冷却系统来控制其温度。这部分热加工设备是独立控制的。

2.4.14 Controlled Temperature Liquid Bath控温液浴

A furnace containing a liquid that is heated to the desired heat treat temperature. Parts and raw material are normally immersed in the liquid.

一种包含液体的炉，该液体被加热到所需的热处理温度。零件和原料通常浸泡在液体中。

2.4.15 Controller控制器

A digital, or mechanical device that controls the temperature of thermal processing equipment (e.g., furnace control instruments, quench mechanical thermostat, freezer pressure controls, etc.).

一种控制热加工设备温度的数字或机械装置(如炉膛控制仪表、淬火机械恒温器、冷冻压力控制装置等)。