Rotary tiller is the main work implement of paddy field tillage field. With the tractor as the power for walking and working, it can realize the soil tillage operation by a set of mowing knife mounted on the horizontal axis. It has the advantages of high productivity, good soil performance, low fuel consumption, smooth surface after cultivation, and large adaptation to soil moisture. The commonly used models include 1Gz-80/90 rotary cultivator for 8.8kw tractors, 1G-140JS and 150JS rotary cultivators for 18.4kw wheeled tractors, and 1G- for 36.8-73.5kw tractors. 175, 200, 180s, 200s, 230s and 250s rotary cultivators. The main manufacturers include Jiangxi Nanchang Rotary Cultivator and Jiangsu Lianyungang Cultivator. Please pay attention to the following questions when purchasing. (1) The support must be reasonable. The power consumption of the rotary cultivator shall be lower than the output power of the supporting tractor. The width of the rotary cultivator shall cover the left and right rims of the matched tractor, and the three-point hanging type rotary cultivator shall have no significant influence on the stress conditions of the front and rear wheels of the tractor. . (2) Safe and reliable. The rotating part of the rotary cultivator has safety guards, and the guards should be solid; when the rotary cultivator is placed alone, it should be able to stabilize, and no external force can be used to prevent tipping; it is better to have a safety warning sign on the shell of the rotary cultivator. A complete and correct instruction manual shall be provided, including technical specifications, safety precautions, correct assembly and use and operation instructions or appropriate illustrations, adjustment methods and adjustment instructions, maintenance and care instructions, and common faults. Exclusion methods, etc. (3) It can meet local agricultural requirements. Tillage trials should be able to require the growth of rice or other crops that require a certain amount of plough depth. Generally, the depth of cultivator cultivation should not be less than 10cm. (4) Good after-sales service. The place of purchase should have repairs and accessories. I must provide the “Three Guarantees†service card for repair, replacement, and return at the time of purchase. The after-sales service commitment shall comply with the “Responsibility for Repair, Replacement, and Return of Agricultural Machinery Products.†(5) The rotary cultivator products that have obtained the agricultural machinery promotion permit from the Ministry of Agriculture and affixed with the agricultural machinery promotion license certificate of the Ministry of Agriculture should be selected as far as possible.
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