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Hobbing machine for straight or helical gear teeth - has electronic logic circuit to synchronise angular positions of tool and gear blank
Hobbing machine for straight or helical gear teeth - has electronic logic circuit to synchronise angular positions of tool and gear blank
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机译:用于直齿轮或斜齿轮齿的滚齿机-具有电子逻辑电路,可同步工具和齿轮毛坯的角位置
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摘要
Electronic logic circuit for operating a gear hobbing machine, where separate servomotors drive the hobbing tool and the workpiece carrier, one leading,the other following. The motor emits signal pulses defining its angular position and fed to a memory store, which emits a standard number of pulses for a servo motor which includes the desired transmission ratio. Pulses are fed to an adder together with additional pulses when helical teeth are to be cut, and the adder provides data stored in a register. The register is connected to a calculation circuit feeding appts. which includes logic gates; a counter; and an analogue/digital converter feeding a pulse generator. The pulse generator receives a signal from the first motor and is connected via a gate to a pulse discriminator feeding an amplifier directly connected to the servomotor.
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