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              1. Teach you how to make a simple small transformer winding machine
                author:Juli electric

                1. Purpose:

                This machine is suitable for the manufacture of power transformer coils

                2. Features:

                1. Braking motor, energy saving and electricity saving.

                2. High torque at low speed, automatic brake after power failure. Prevent reversing when winding stops, and ensure that automatic counting will not cause errors

                3. The frequency converter is used to control the speed of the motor (frequency conversion speed regulation) and 3 manual gear shifts.

                4. Adopting encoder and electronic counting six-digit display (memory after power off. Automatic judgment and counting for forward and reverse rotation)

                5. When the device enters the standby state, start the device by operating the foot switch, and operate the foot switch left and right to realize the forward and reverse rotation of the device.

                6. The whole steel plate of the bed head box is folded into shape at one time, the whole machine is stable, the main shaft is quick to install, and the startup is stable and the operation is simple.

                Three, technical parameters

                Type unit RX-200 type

                Capacity KVA 10-630KVA

                Center height MM 800

                Faceplate diameter MM 200

                Spindle length MM 700

                Spindle speed R/MIN 0-260

                Maximum load KG 200

                Motor power KW 1.5

                Dimensions MM 1300X600X1500

                When developing a switching transformer, it was impossible to buy a winding machine for winding a small transformer for a while, so a simple and simple small winding machine and a small winding machine were built using wood, 8# iron wire, 3 long screws, 3 nuts, 3, 5 gaskets, etc. Wire rolling frame, winding several small ferrite transformers, the effect is excellent.

                Making a simple small transformer winding machine

                1. Construction method and steps of winding machine

                1 Construction of the frame The author used scraps of decorative household wooden floors to construct a wooden frame with a length of 13139 cm, a width and a height of 13139 cm. For knotting, drill 8 holes (upper and lower on each side) with 3 or so drills, and fix them with 4 wood screws. When constructing, pay attention to meticulousness, accuracy and reliability. After the frame is made, punch a 3.6mm~4mm hole on any corresponding end surface. The hole is centered on the left and right, and the top and bottom are selected as 2cm to facilitate the subsequent installation of the winding cradle. The frame can also be replaced with similar ready-made wooden boxes, iron boxes, etc., and the geometric dimensions are also suitable for the material, as long as it is suitable.

                2 For the construction of the crank, it is best to use a hacksaw (the connection end is flat) to cut 8# iron wire to make the crank with the shape shown in Figure 2. Then use a file to flatten both ends (you can also use a grinding wheel or coarse sandpaper, or even grind flat on the concrete floor). On the flat foundations at both ends, the short ends are then edge-rounded to prevent cutting hands when shaking the handle.

                3 Before assembling, prepare 5 washers, 1 long screw with a length of 2.5cm3cm and a diameter of 3, 2 3 nuts, and A and B glue (also known as good brothers), and then you can assemble. The assembly steps are as follows: Put the long end of the handle through a hole in the frame that has been built, and put a 5 spacer on the head of the handle just inside the frame, and then insert the penetrating handle into the other part of the frame. In a hole. Next, when the long club head of the cradle inserted into the hole is exposed by 5cm, put the inner spacer against the inside of the wooden frame of the long club head, and apply the adjusted A and B glue to the cradle and the pad. Before the glue is completely solidified (10 minutes to 20 minutes), turn the crank a few times to prevent the glue exposed from the gasket hole from bonding the wooden frame and the gasket. After the glue is completely solidified for half an hour, stick a 5 washer on the exposed end of the rocker rod in the same way. When applying glue, the long rod is outward, so that the inner gasket is attached to the inner side of the frame to prevent it from winding. Shaking left and right when making the coil. In short, the inner and outer gaskets should be tightly attached properly. After the glue is solidified, the rotating handle will not tremble left and right, but will rotate freely. Then, use A and B glue to bond the head of the 3 screws with the long head of the handle. After bonding, try to make the axes of the two parallel. Special attention should be paid to correct the parallelism of the two when the glue is about to be set. degree.

                2. The construction of the wire rolling frame

                When winding the transformer, a support frame of enameled wire roll is needed. I made a simple structure with 8# iron wire. Construction method: Take a 8# iron wire of about 1m and bend it into the shape shown in Figure 3 side by side by hand, and use pliers in the place where the shape is not good. Leave about 5cm more at the bent joints, stack the iron wires at the joints, and then wrap them tightly with enameled wire. Finally, it is properly trimmed to make it stable. Then, find a large screwdriver or a hard plastic tube with a length of 15cm or more that can pass through the thread rolling hole, etc., and place the thread roller in conjunction with the thread roller frame, so that the thread roller can rotate smoothly during winding. If you have a wooden box or a plastic foam box that is too small for a small table, dig two large and small suitable grooves at the midpoints of the two corresponding sides of the opening teeth (the groove is slightly deeper than the wire roller support rod), which can also be used as a thread Roll frame.

                3. Winding of the transformer

                Winding the transformer with a simple simple winding machine and a wire rolling frame is basically similar to the winding method of the regular product, but it also has its particularity. The winding method is introduced below. 1 Install and fix the transformer skeleton. First screw a 3 nut on the simple winding machine 3 screws. The screwing depth depends on the size of the transformer skeleton, and then install the gasket (the size of the gasket depends on the size of the skeleton. Set), then install the skeleton, put a gasket, and finally screw on a 3 nut to fasten the skeleton. In order to facilitate winding, try to fix the frame at the screw end. 2 Place the wire roll with a hard straight rod of suitable length and thickness, and put it in the winding hole of the person who wants to wind it, and place it in the slot of the wire roll frame prepared in advance. 3 Winding the transformer coils Place the winding machine and the wire rolling frame on the desktop at a distance of about 20cm (the wire rolling frame is close to the human body). In order to avoid the winding machine being unstable, you can press several 32K books or other objects on it. Secondly, it is necessary to clarify the pins of the skeleton corresponding to the same name and the different name of the coil, and then the coil can be wound. When winding the coil, turn the hand of the wire to control the enameled wire to the direction of the wiring mark about 5, and ensure that the wiring is neat and tidy while not stacking the wires. Pay attention to the number of turns when winding. When encountering a coil with a large number of turns, it is advisable to make a mark every 10 turns to prevent mistakes. The specific method of winding the transformer will not be repeated here.

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