Abstract: Macadamia nut has high nutritional value and comprehensive utilization value.Based on analysis of market demand，aiming at problems of easy wear of existing peeler blades，short service life of whole equipment and high rate of shell fruit damage，a double axis peeler was designed.The machine was composed of feeding hopper，cutting mechanism，top cover，waste skin outlet，shell fruit outlet，driving system and frame.Its net removal rate ≥ 99%，damage rate ≤ 2%.It meets requirements of shelling processing，and has advantages of small shelling damage rate and high processing efficiency.