前导轨 meaning in English

former rail
front rail
guide-front

Conveyor width : for equipment with an adjust conveyor width , the front rail is fixed and the rear rail is adjustable . the range of dajustment will vary with the equipment manufacturer
导轨调整宽度：机器导轨宽度必须可调，前导轨固定后导轨可调，调整范围依制造商而变。
Szm8325a - szm9325 glass straight line edging machine is designed for grinding straight line flat edging of different sizes and thickness . szm9325a can process straight line and 45edge . coarse grinding , refine grinding , polishing , and angle - marking can be completed in a procession . tt s speed can be widely adjustedby its stelpless regulator . speed alteration is very mooth . in grinding operation , feeding and operation speed can be adjusted at random . front fails can be adjusted to fit caried thickness of processed glass . and its advanced structure , high precision , easy handling , and highefficiency , it is one of indispensable instruments for glass procession . szm9325p and szm9325ap adopt plc control system
Szm8325a - szm9325型玻璃直线磨边机适用于磨削不同尺寸和厚度的平板玻璃直边和45棱角， szm9325a可加直边和45级边。本产品集粗磨精磨抛光倒角等工序一次加工而成，并采用无级变速调节，可调范围大，变速平稳在削磨过程中可任意调节进料速度和进给量可调节前导轨变换加工玻璃的厚度。