20K Ultrasonic Assist Grinding

Ultrasonic assisted machining is a special machineing in which the surface of workpiece material is gradually broken by using ultrasonic frequency as the tool for small amplitude vibration and by the action of the abrasive free in the liquid between it and the workpiece on the processed surface.

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Product Introduction

20K Ultrasonic Assist Grinding

Introduction:

In conventional grinding of hard to cut materials such as Ti6Al4 V alloys, surface burning, redeposition and adhesion of chips to the grinding wheel and workpeice occur visibly unless it is carried out at low speeds and with high volume of cutting fluid. Ultrasonic assisted grinding is an efficient machining process which improves the machinability of hard-to-cut materials by changing the kinematics of the process. The effect of imposition of ultrasonic vibration on the grinding of Ti6Al4 V alloy is studied. Longitudinal vibration at ultrasonic frequency range (20 kHz) is applied on the workpiece and machining forces and surface roughness are compared between conventional grinding (CG) and ultrasonic assisted grinding (UAG) processes. An ultrasonic setup is designed, optimized and fabricated based on combination of mathematical modeling, FEM analysis and genetic algorithm. Comparison between CG and UAG at several cutting and feed speeds and cutting depths are carried out, and the effect of ultrasonic vibration in dry condition is also studied. The results show reduction of grinding forces and improvement of surface roughness when ultrasonic vibration is applied on the workpiece.

milling of hard to machine metal alloys or fibre reinforced materials with defined cutting edge.

Parameters:

Product shape: BT40 milling machine handle

Working frequency: 15-21KHz

Resonance point amplitude: 10um or more

Speed: 3000 r / min or less

Matching tool: carbide end mill head Φ2-Φ13

disk cutter Φ50;Power: 1000W

Product shape: HSK A63 drilling machine handle

Working frequency: 15-21KHz

Resonance point amplitude: 10um or more

Speed: 3000 r / min or less