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2. The workpiece cutting does not move In the actual cutting process often encounter the workpiece cutting does not move, and sometimes can not cut, this situation generally occurs in the high-thickness cutting or cutting of stainless steel and other difficult-to-machine materials, the fundamental reason That is, the working fluid does not have a good property of shooting off the product. The emergency method is to add some detergent or increase the concentration of the working fluid, but the most fundamental solution is to use a good working fluid. (In some areas due to the use of hard water flush will also produce cut problems)
3. Molybdenum wire cutting in the forward and backward cutting speed is inconsistent, and even one direction does not go This situation is often encountered when cutting in high thickness, the root cause is the problem of working fluid, of course, and other factors such as: frequency conversion tracking speed Molybdenum wire tension uniformity and other related. Incidentally, it is better to speed up the frequency conversion tracking when cutting high-thickness workpieces, because there is almost no broken wire during the over-tracking, but it often leads to unstable processing and leads to broken wires when under tracking.
4. How to reduce the probability of molybdenum wire broken at both ends of the wire barrel High speed wire cutting molybdenum wire should be frequently changed at both ends of the wire barrel, so the two ends of the molybdenum wire will receive the impact of tension repeatedly, so that both ends of the molybdenum wire Fatigue damage, so to extend the life of the molybdenum wire should be a shift (about 8) to move the commutation limit switch inward. This method is especially important in high-current, high-efficiency machining.
5. How to extend the service life of molybdenum wire Molybdenum wire itself will be damaged at the same time each time it discharges from the workpiece, but only to a very small extent. Therefore, it is best to use a small energy processing parameter to cut the new molybdenum wire. (Make it less damaged), wait until the color of the molybdenum wire is basically white and then switch to normal high current. Of course, it is better to allow the molybdenum wire to run for 5-10 minutes before releasing the molybdenum wire for cutting so that its original internal stress can be released.
6. How to reduce the probability of wire breakage of molybdenum wire at the cutting point Generally, the method of automatically cutting the workpiece into the workpiece by automatic frequency conversion tracking of the molybdenum wire can reduce the probability of wire breakage at the starting point of the molybdenum wire, and at the same time ensure a good supply of the cooling liquid for absorption. The discharge force makes the disturbance of molybdenum wire, the best distance from the workpiece to the upper and lower water jets 5-10mm, so that the coolant can better wrap the molybdenum wire.
1. Emulsified oil does not emulsify after emulsified oil In the production process of emulsified oil, some volatile stabilizers are generally added. If the process cannot be operated in the production process or a poor quality base oil is used as the raw material, it may produce this. This phenomenon, the easiest way to deal with this problem is to add some emulsifiable emulsified oil, can be emulsified after mixing, or add some alcohol, the proportion of control in the 1% -2% or so.