BT40 20khz Ultrasonic Machining System for CNC Machine Center with Multi Size Milling Tools

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  • Altrasonic
  • HS-M2010
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Product Details

BT40 20khz Ultrasonic Machining System for CNC Machine Center with Multi Size Milling Tools


Technical Parameters:

Product shape: HSK63 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

Frequency 20 Khz
Output Power 1000 W
Voltage 220 V
Switch Handle or foot switch
Power Adjusting Step or continuous
Working Time Control 24 Hours
Weight 30 KG
Application Ultrasonic drilling
Generator Digital Generator
Length of cable 5M

Ultrasonic drilling

Ultrasonic assisted drilling is a recently-developed technique, in which high-frequency (> 20 kHz) vibration is superimposed onto the movement of a standard drill bit in the axial direction, providing advantages including reduced drilling forces (reduction often in excess of 80%) and improved quality of drilled holes when compared to conventional drilling. Ultrasonic assisted drilling also achieves a reduction in entry and exit delamination size, but not in the expected proportion considering the observed reduction of drilling forces. A different mechanical process to that in conventional drilling may be driving the delamination in Ultrasonic assisted drilling, for example dynamic or thermal effects in addition to thrust and torque loads.

The aim of this project is to achieve a mechanical understanding of the process that drives delamination during Ultrasonic assisted drilling and to implement it in an analytical model and numerical tools with predictive ability. These can then be used to enhance Ultrasonic assisted drilling to minimise delamination and to predict the performance of hybrid joints with Ultrasonic assisted drilling-induced damage.

Principle:

Ultrasonic drilling is a non-traditional, loose abrasive machining process. The Ultrasonic waves are sound waves of frequency higher than 20,000 Hz. ¨

Ultrasonic waves can be generated using mechanical, electromagnetic and thermal energy sources. They can be produced in gasses (including air), liquids and solids.

In the process of Ultrasonic drilling, material is removed by micro-chipping or erosion with abrasive particles. v

The tool is oscillated by a piezoelectric transducer and an electric oscillator at a frequency of about 20 kHz. The tool forces the abrasive grits, in the gap between the tool and the work piece, to impact normally on the work surface, thereby machining the work surface.

The smaller the grit size, lesser the momentum it receives from the tool. As the tool continues to move downwards, the force acting on larger grits increases rapidly, therefore some of the grits may be fractured. Eventually, the tool comes to the end of its strike and grits with size larger than the minimum gap will penetrate into the tool and work surface to different extents.

Applications

  • Various kinds of materials especially fragile rigid material.
  • Processing plane, groove, all kinds of form surface (such as spline, gear and thread) and special surface of mould.
  • Application area: machining industry, machine tool equipment manufacturing.
  • Application occasion: manufacturing enterprise, universities and colleges, scientific research institution, mechanical equipment transformation industry.

Competitive Advantages:

  • Virtually any hard material can be machined
  • Little heat is produced
  • Since the motion of the tool is up-and-down vibration rather than rotation as in traditional machining, the holes cut are not limited to circular shapes but can be any shape. Custom "cookie cutter" tools can cut complicated shapes.
  • Good surface finish and higher structural integrity is obtained

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