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    數控車床關於切削量選擇的重要性!
    2019-9-26 9:41:28

    對於高效數控車床加工金屬切削,加工材料、刀具、切削條件是三大要素。這些因素決定了加工時間、刀具壽命和加工質量。一種經濟有效的加工方法必須是切削條件的合理選擇。數控車床加工切削條件的三個因素:切削速度、進給和切削深度直接導致刀具的損壞。隨著切削速度的增加,刀尖溫度會升高,導致機械、化學和熱磨損。切削速度增加20%,刀具壽命減少1/2。

      For metal cutting with high efficiency NC lathe, the processing materials, cutting tools and cutting conditions are the three main factors. These factors determine the processing time, tool life and quality. An economical and effective processing method must be a reasonable choice of cutting conditions. Three factors of cutting conditions of NC lathe: cutting speed, feed and cutting depth directly lead to tool damage. With the increase of cutting speed, the temperature of tool tip will rise, which will lead to mechanical, chemical and thermal wear. Cutting speed increases by 20%, tool life decreases by 1/2.

      進給條件與刀具磨損之間的關係很小。但進料時,切削溫度升高,後磨損。它對刀具的影響比切削速度小。雖然切削深度對刀具的影響不如切削速度和進給大,但在小切削深度切削時,切削材料產生硬化層,也會影響刀具的使用壽命。

      The relationship between feed condition and tool wear is very small. However, when feeding, the cutting temperature rises and wears afterwards. It has less effect on cutting tool than cutting speed. Although the influence of cutting depth on cutting tool is not as great as cutting speed and feed, the hardening layer of cutting material will also affect the service life of cutting tool when cutting at small cutting depth.

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      用戶應根據材料、硬度、切削狀態、材料類型、進給量、切削深度等選擇切削速度。

      Users should select cutting speed according to material, hardness, cutting state, material type, feed, cutting depth, etc.

      在此基礎上選擇最適宜的加工條件。理想狀態是有規律、穩定的磨損達到使用壽命。

      On this basis, the most suitable processing conditions are selected. Ideal condition is regular and stable wear to reach service life.

      但在實際操作中,刀具壽命的選擇與刀具磨損、尺寸變化、表麵質量、切削噪聲、加工熱等因素有關。在確定加工條件時,要根據實際情況進行研究。對於不鏽鋼和耐熱合金等耐火材料,可以使用冷卻劑或硬質葉片。

      However, in practice, the choice of tool life is related to tool wear, size change, surface quality, cutting noise, heat and other factors. When determining the processing conditions, it is necessary to study them according to the actual situation. For refractories such as stainless steel and heat-resistant alloys, coolants or hard blades can be used.