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柱塞在压调节臂时会产生一微小θ角的偏移,称为压配角。现将我们检定一号泵柱塞压配角所用的方法介绍于下。1.绝对法:如图所示,先把柱塞放在小 V 型铁上,并把斜槽面调到与 O_AO_B 相垂直的位置,然后在平板上用百分表分别读出调节臂小球最高点的读数 A_1和柱塞外圆最高点读数 A_2,再用千分尺分别测出小球和柱塞外圆直径 d 和 D,即得检定结果。sinθ=(δ_1-δ_0/l)(1)式中δ_1——百分表在柱塞外圆顶点与小球顶点两读数之差,即δ_1=A_2-A_1;δ_0——柱塞外圆半径 R 与小球半径 r 之差,即
Pistons in the pressure arm will have a small angle of the offset, known as the pressure supporting angle. Now we check the first pump plunger pressure supporting method used in the introduction below. 1. Absolute method: As shown in the figure, put the plunger on a small V-shaped iron and set the chute surface to a position perpendicular to O_AO_B. Then read out the adjustment arm with a dial indicator on a flat panel The highest point of the ball reading A_1 and the highest point of the outer cylinder plunger reading A_2, and then measured with a micrometer ball and plunger outer diameter d and D, that is the test results. sinθ = (δ_1-δ_0 / l) (1) where δ_1-- the difference between the two points of the outer cylinder and the top of the ball point, δ_1 = A_2-A_1; δ_0-- The difference between the radius of the ball r, that is