Lathe taper, lathe taper, how to adjust the taper

Degree. This is a formula "big head-small head" divided by the length, multiplied by equal to the taper, this taper is the angle at which the small pallet is to be moved, and the degree is a constant.

The place where the tool holder of the general car is connected with the carriage can be rotated, the general normal situation is 0 °, you are now more than a taper of the car, the taper divided by two is the angle (slope) you want to rotate, loosen the connected bolt with a wrench, and then rotate a slope, there are degrees on it, you can see it, after the rotation is tightened, the bolt is tightened and then the car is the shaft with the taper you want.

Ask the master and they'll tell you!

Large head reduction head division length multiplied only suitable for 6 degrees within 6 degrees above 6 degrees can not be used only with scientific calculation method tg to calculate, if the requirements are not high, the greater the degree, the greater the deviation, the calculated taper is half of the actual taper angle, that is, the degree of the small carriage.

Is taper and slope a concept The small tray is the slope because it is the radius So multiply by 2 is the slope You are still satisfied there, then the answer is really better than knowing right and wrong What the upper position says is right But not all within ten degrees You can use the big head to reduce the head and divide the length by multiplying the length equals the slope Remember that your board is the slope because you are turning At least I have been this formula for ten years.

How to adjust the taper shed of the lathe? Hello pro-lathe taper adjustment method: 1. Check the accuracy of the measuring machine tool and correct the parallelism of the spindle axis and the bed guide rail.

If it is found that the four corners of the machine tool and the anchor bolts and adjustment horns in the middle of the bed are loose, the horizontal straightness of the guide rail surface and the inclination in the vertical plane will seriously exceed the standard, or even be twisted, which will not only make the outer circle of the turning taper, but also affect other precision. In this case, it is necessary to adjust the anchor bolts and horns at the corners of the machine chain shirt and the middle part of the bed, re-calibrate the horizontal straightness of the guide rail surface of the bed and the inclination in the vertical plane to meet the requirements, and tighten the anchor screws. 2. Before turning, align the rear center to make it coaxial with the spindle axis.

1) When it is found that there is a taper in the workpiece, the taper value is measured first, and then the moving direction of the tailstock and the moving distance of the tailstock are determined according to the size of the taper value. Then carry out trial cutting, re-measure the size of both ends of the workpiece, detect whether the taper is eliminated, if the size requirements of the drawing are not met, then the tailstock must be adjusted again, continue to test cutting, measurement, until the size requirements of the drawing are met. (2) We usually use the "tight nail top" adjustment tailstock offset method

The diameter of both ends of the workpiece is consistent with the collapse feed of the middle slide plate, if the diameter of the +z direction is greater than the diameter of the -z direction, the operator stands behind the tailstock, loosens the tight jack wire of the left hand, and spins the tight top wire of the right hand direction, so that the center is transferred to the direction of the turning tool. The magnetic gauge can be adsorbed on the guide rail surface or the slide plate, and the dial gauge contact is pressed on the sleeve side bus of the tailstock, and the amount of movement adjusted is the general diameter difference, if the diameter of the +z direction is less than the diameter of the -2 direction, the adjustment method is reversed. 3. Replace the tailstock sleeve with a new one.

The name and code of each part of the cone, D-diameter of the large head, B-diameter of the small head, L-the full length of the workpiece, A-angle, 2A-cone angle, K-taper, L-cone length, M-Degree.

The formula for calculating each part of the cone.

M (Degree) = TGA (= TG Bevel), D - D 2L (= Big Head Diameter - Small Head Diameter 2x Cone Length), K 2 (= Taper 2).

k (taper) = 2tga (= 2xtg bevel).

d-d l (large head diameter - small head diameter cone length).

d (big head diameter) = b + 2ltga (= small head diameter + 2x cone length x tg angle), d + kl (= small head diameter + taper x cone length), d + 2lm (= small head diameter + 2x cone length x slope).

d (small head diameter) = d-2ltga (= large head diameter - 2x cone length xtg angle), d-kl (= large head diameter - taper x cone length), d-2lm (= large head diameter - 2x cone length x slope).

When the length of the workpiece cone is short and the bevel angle A is large, you can turn it by turning the angle macro hand of the small tool holder.

The formula for calculating the rotation angle of the small tool holder during turning (approximately).

degree) = taper), large head diameter - small head field good diameter cone length). The approximate calculation formula is only applicable to a (angle of reel) below 6°, otherwise the error of the calculation result is large.

Small knife holder copy rotation angle = tan (big head small head) 2 cone length. Lubrication maintenance work: the lubrication mode of the machine tool and the selection of grease are based on the structure of the machine tool, the degree of self-movement, the working conditions of the machine tool and the requirements for precision are comprehensively measured and decided, and the machine tool lubrication should strive to avoid temperature rise and vibration while meeting the needs of wear and tear reduction.

As a complex and precise machine, the machine tool will use a variety of transmission devices, and the viscosity, oily oxidation resistance, extreme pressure resistance and other related properties of the lubricating oil are required according to the type of equipment, the working environment and the required precision requirements.

Taper = 2tg 2 = (large diameter - small diameter) length = (90-10) 15

tg 2= 2= The small carriage is played at this angle.

The size of the large neck reduction diameter divided by twice the length of the vertebral body is found in the trigonometric function table.

You can go to the bookstore and buy some reference books.

This is very simple, you can do it with the G01 instruction, as long as the X, Z coordinates are written on a line, because the number of cars is two-axis linkage, so it is a taper, in addition to G90 is also OK, the taper can be controlled with the R value, the R value is the radial difference, pay attention to don't forget to add the F value, basically that's it.

Hand sharpening knives on the 3rd floor is generally not possible, unless you have a universal knife sharpener to ensure that the tip of the knife is smooth and clean and there are no small notches

First of all, look at the hardness of your car parts material, whether there is heat treatment If it is a general hardness of 25-35 degrees, the speed of the lathe with the frame tip fine turning blade is not less than 1600 revolutions, and the cooling water should be fine, if the hardness is higher, then it is easier to achieve the finish, the speed is reduced, the turning tool R is slightly increased, and the semi-finishing frame blade should be OK, there are many types of frame cutters, and we use Mitsubishi's.

The end point minus the starting point divided by 2 The result is positive Then r is negative in the program design - Result negative r is positive r

It's all the same, it's upright.

1.tool positioning, start coordinates of taper;

2.The coordinates of the next point (x, z) are the end coordinates of the taper;

g0 x30;

z2.;g1 z0. (1.tool positioning, start coordinates of taper; )

x40. z-5. (2.The coordinates of the next point (x, z) are the end coordinates of the taper; Here is a chamfer of 5x45 degrees).

The above program fanuc system can also be written like this.

g0 x30;

z2.;g1 z0. (1.tool positioning, start coordinates of taper; )

x40. a135. (2.The coordinates of the next point (x,) are the end coordinates of the taper plus the angle to be machined; Here is a chamfer of 5x45 degrees).

Calculate the xz coordinates of the big head and small head, you can program the design, some systems have a fixed loop of car taper, just fill in the corresponding number of leads according to the manual, which is more convenient.

Adjust the level. Is the lathe placed taper, or the product out of the taper, or the product requires the taper, you express the point clearly, the general car product taper is the machine tool head is not perpendicular to the guide rail or the tool holder problem, processing multi-head thread, no matter what CNC system, can be solved by a method:

That is, as long as the starting point of the second helix is guaranteed to be one pitch difference in the z direction from the starting point of the first helix, such as processing 3, 4, 5, 6 ......The same is true for the line, so let's take an example.

Example: Nominal diameter 30, lead 4, double-ended thread. The program is designed as follows:

The pitch is known to be 2,g00 x35 z5 (the starting point of the first helix).

G32 ,, processing the first helix. Note: The f-number is the lead, and the calculation of the profile height is based on the pitch. )

G00 x35 Z7 (Move one pitch back, the start of the second helix.) Both forward and backward can be moved, and generally moved backward for safety reasons).

G32 ,,,processing the second helix).

g00 x100 z200，

The lathe has a taper for turning out the workpiece, and the headstock or tailstock should be adjusted.

1> When the tailstock ridge is not used, the workpiece will have a taper under the two types of conditions

a) The headboard box is not correct, and all the workpieces out of the car will have a taper, so the headbox should be adjusted at this time.

b) The headbox is no problem, the workpiece has a taper when the workpiece is long and the tailstock is not used, and most of the workpieces are stressed when the workpiece eats the knife"Let Sakura guess the pure knife"Be caused by.

Solution: 1. Use a 90° pin to reduce the radial force;

2. Re-sharpen the knife and reduce the amount of feed, adjust the taper of the tailstock of the lathe, and only adjust some jobs with a relatively small taper. Or you can find the tailstock to be straightened.

Generally, the three knives are adjusted, and the workpiece size is small at the end of the bed and the head of the bed is large, indicating that the tailstock is biased towards the arms. Contrarily.

Try it, the amount of knife is very small, three knives is enough, and adjust it according to the needs of self-imitation.

It refers to the taper with a difference of 1mm in the diameter of the large and small heads on a length of 10mm.

The taper refers to the ratio of the bottom diameter of the cone to the height of the cone, and if it is a round platform, it is the ratio of the diameter difference between the upper and lower bottom circles to the height of the cone.

The lathe processing taper is 1 to 10 degrees.

The calculation is as follows:

Angle = 2arctan (including only = degrees.

The lathe machining taper 1 to 20 is a degree.

The calculation is as follows:

Angle = 2arctan (degrees.

TGA 2=D-D 2L is used to accurately point the function, and the large diameter is reduced by the length divided by the length and so on.

Calculate the total length of the taper, calculate the size of the head, use the method of measuring the size, the calculated angle can only be used as a rough turn, use the size of the rough car to set the theoretical size you calculated, calculate the error, not the angle. diameter size) in the corresponding position of the small carriage dial gauge. For example, if the cone is 100mm long, the watch is placed in the carriage.