前言:这是CSA Z142《动力压力机操作规范:健康、安全和保障要求》的第五版。它取代了2002年出版的《冲床和制动压力机操作规程:健康、安全和防护要求》的前几版，1990年、1976年和1957年出版的《冲床和制动压力机操作规程:健康、安全和防护要求》。范围:1.1本标准适用于电动压力机（以下简称“压力机”）的设计、制造、安装、维护和操作。本标准的目的是降低在压力机设置、操作和维护期间，在压力机上或附近工作的人员受伤的风险。1.2本标准涵盖了各类压力机的职业健康和安全要求，即机械压力机（伺服、部分旋转离合器和全自动压力机）- 旋转离合器），液压和气动，配有滑块/柱塞/压板（或滑块/柱塞/压板），以及用于下料、切割、修剪、拉伸、冲压、成型、弯曲、冲压、组装或加工金属或其他材料的模具，或用于模具验证和试模。注:以下是通常被称为动力压力机的设备示例:（a）手动送料压力机；（b） 自动送纸印刷机；（c） 转印机；（d） 串联压力机；（e） 伺服压力机/直接驱动压力机；（f） 踩刹车；（g） 粉末金属压力机；（h） 生产单元内使用的压力机；（i） 定位印刷机；（j）液压成型过程中使用的压力机。1.3本标准不包括以下机器:（a）冷联箱和成型机；（b） 水平和垂直推土机；（c） 孔眼机；（d） 锻造压力机和锤子；（e） 高的- 能量速率压力机；（f） 点焊机和投影焊机；（g） 注塑机；（h） 铆接机；（i） 转塔压力机；（j） 电线终端设备；（k） 轴承和衬套插入机；（l） 检漏仪；（m） 压铸机；（n） 印刷业印刷机和模切机；（o） 挤压机；（p） 水平折弯机；和（q）炼铁机。1.4本标准规定了压力机的一般健康和安全要求，并详细说明了操作点及其周围危险区域的安全要求。1.5加工过程中温度超过760°C（1400°F）的机器加工材料与金属锻造行业有关，不在本标准范围内。1.6A压力机通常不是一个独立的设备，而是与其他机械或设备集成在一个自动化工作单元中，这些机械或设备的使用标准涵盖了它们的使用。 因此，本标准的用户应审查其他适用标准的要求，作为实施本标准要求的一部分。1.7在CSA标准中，“应”用于表示要求，即用户有义务满足的条款，以符合标准；“应该”用于表示建议或建议但不需要的建议；“可”用于表示一种选择或在标准范围内允许的选择；“can”用来表示可能性或能力。注释随附条款不包括要求或替代要求；随附条款的注释的目的是将解释性或信息性材料与文本分开。表和图的注释被视为表或图的一部分，可以作为要求编写。 附件被指定为规范性（强制性）或信息性（非强制性）以定义其应用。1.8以SI（公制）单位给出的值为标准值。括号中的值仅供参考。

Preface:This is the fifth edition of CSA Z142,Code for power press operation: Health, safety, and safeguarding requirements. It supersedes the previous editions, published in 2002 under the titleCode for Power Press Operation: Health, Safety, and Guarding Requirements, 1990, 1976, and 1957 under the titleCode for Punch and Brake Press Operation: Health, Safety, and Guarding Requirements.Scope:1.1This Standard applies to the design, manufacturing, installation, maintenance, and operation of power presses (referred to hereafter as "presses"). The purpose of this Standard is to reduce the risk of injury to people working on or adjacent to presses during press set-up, operation, and maintenance.1.2This Standard covers the occupational health and safety requirements for all classes of presses, i.e., mechanical (servo, part-revolution clutch, and full-revolution clutch), hydraulic, and pneumatic, that are fitted with a slide/ram/platen (or slide/ram/platens), and with dies for blanking, cutting, trimming, drawing, punching, forming, bending, stamping, assembling, or processing metal or other materials, or for die proving and tryout.Note: The following are examples of equipment commonly referred to as power presses:(a) manually fed presses;(b) automatically fed presses;(c) transfer presses;(d) tandem line presses;(e) servo presses/direct-drive presses;(f) press brakes;(g) powdered-metal presses;(h) presses used within production cells;(i) spotting presses; and(j) presses used in the hydro-forming process.1.3The following machines are excluded from this Standard:(a) cold headers and forming machines;(b) horizontal and vertical bulldozers;(c) eyelet machines;(d) forging presses and hammers;(e) high-energy-rate presses;(f) spot and projection welders;(g) injection moulding machines;(h) riveting machines;(i) turret presses;(j) wire termination machines;(k) bearing and bushing insertion machines;(l) leak testers;(m) die-casting machines;(n) printing industry presses and die-cutting machines;(o) extrusion presses;(p) horizontal benders; and(q) ironworking machines.1.4This Standard specifies general health and safety requirements for presses and details safety requirements in danger zones in and around the point of operation.1.5Machines processing material whose temperature during processing exceeds 760 °C (1400 °F) are associated with the metal-forging industry and are outside of the scope of this Standard.1.6A press is typically not a stand-alone device, but is integrated into an automated work cell with other machinery or devices that have Standards covering their use. Accordingly, users of this Standard should review the requirements of other applicable Standards as a part of implementing the requirements of this Standard.1.7In CSA Standards, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; "may" is used to express an option or that which is permissible within the limits of the standard; and "can" is used to express possibility or capability. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.1.8The values given in SI (metric) units are the standard. The values in parentheses are for information only.