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英国Atlas copco工具公司最近研制了新的液压脉冲组装工具——8PT Ergopulse截流式扳手。这个新型扳手有一个基于延迟作用而不是基于定时器或旁通阀的自动截流系统。扭矩是通过脉冲机构内的液压上升而产生并通过惯性质量来传递。当质量的滞后力足以超过弹簧的预定
British Atlas copco tools company recently developed a new hydraulic pulse assembly tool - 8PT Ergopulse cut-off wrench. The new wrench has an automatic shut-off system based on a delay rather than a timer or by-pass valve. Torque is generated by the hydraulic rise within the impulse mechanism and is transmitted through inertial mass. When the quality of the hysteresis force is sufficient to exceed the spring’s predetermined