Precision Vertical Machining Center MikronVCP100}DPreCISIOnVMC, MIBATooling's Prime Minister Michael HarPer of WeM, tMidlandS installed a new vertical machining center. The main reason is to reduce the amount of outsourced coordinate boring work that costs 20,000 pounds per month. The smallest. However, the huge savings from the vcP10 vertical machining center provided by Mikron (Birmingham) after the start of production surprised him. It takes 7 hours to make a typical four-column mold in the usual way, and it takes only 24 minutes to use a new machine. This Mikron VCP10OO vertical machining center at MIBa is responsible for the company's previous subcontracting coordinates. Mr. HarPer said: "In the past 8 years, my ambition is to purchase a machine tool to boring our complete set of molds at the factory. We have inspected CNC machining centers produced in several different factories. They are all very good machine tools. However, for special applications, I thought of the latest MikronVCPI000, which is obviously available for me. The highest precision in the machine tool.†MikronVCPI00 was delivered at the end of 1997 and was specifically operated by an experienced operator. The machine is modular in design with 5-axis CNC control, Hcidenhain control system and optional disc magazine for 30 or 60 knives. Other standard features are 30m/min fast moving and SteP-Tec vector control spindles. MIBa purchased a 3-axis control machine with 60 cutter magazines. With 22kw of high-speed spindles for 2400r/min, Harpor decided to purchase a larger (24kw) spindle with a spindle speed of 12OO0r/min. The machine's torque is 20ONm and the power curve drops very slowly. This feature allows MIBa to drill through SOmm thick low carbon steel sheets with 50mm drill bits in the IBs. In addition to the basic specifications, in order to protect the machine tool, Mr. Harper asked Mikron to modify an extended special countertop, which is a 2o0m fire 85omm instead of a standard 10mm long countertop. Although the machine has its own software, a separate PathtraceCAD/CAM software package was obtained from Mikron's CAM system partner Truline Automation, and productivity was improved by off-line programming of the Heidenhaln control system. MIBa Tool's standard mold set consists of two plates, each measuring approximately 4 oomm K 600 mm x somm. One plate is securely mounted with four columns of approximately 4 mm in diameter, and the other plate has a corresponding sleeve of approximately 54 mm in diameter. hole. Although the standard material used by MIBA is low carbon steel, the tool steel of HRC Bucket 5 is also used in special cases. The Mikron VCP1000 can also process tool steel with hardness up to HRC60. Ha Yiner advocates that, in general, the machine drill penetration rate can reach 95 holes and 25 mm deep without considering the drill diameter or tool material. Ha Jiaer explained: "I have equipped the special size cutters for the various sizes of holes we need. The machine can be programmed to the required diameter, and its positioning accuracy will remain at 5 b or 6 m. A typical hole with a diameter of 53mm is processed in three steps. First, a SOmmU-shaped drill bit is used, followed by a double-headed coarse locking rod to remove most of the machining allowance. Finally, the fine boring leaves 0lmm-oZmm. The margin of the resulting hole is excellent, almost like polished. "HarPer added that the precision and roughness of the machine tool are guaranteed by HeidenhainTNC's 6CNC system and length measurement. The machine's control system and machine layout have excellent contouring capabilities. There is also an integrated hard drive. It has a huge program data board memory. At present, M1Ba has not fully utilized the 3-D contour processing function of MikronVCP-1000, just to complete the work previously undertaken by the subcontracted coordinate workers. However, HarPer said he has now decided to install the second Mikronvc P10 vertical machining center to machine the shape of the die. All in all, the powerful programming capabilities of today's machine tools have enabled operators to gain more control with less effort. The machine also guarantees maximum chip removal at a predetermined rate range. Calculations including speed, acceleration, part tolerances, tool tip vectors, and coordinate axis loads are done internally without operator intervention. Linear drive systems, high speed spindles and cutting edge control systems have the advantage of producing more parts with better tolerances. This means higher productivity and better returns. (Finish) Needle bar is an important component of a Warp Knitting Machine. It is a long, thin metal bar that holds the needles used to form the knitted fabric. The needle bar is mounted on the machine and moves up and down, allowing the needles to pass through the yarn and create the stitches.
The needle bar is a critical component of the warp knitting machine, and must be carefully maintained to ensure that the needles are properly aligned and functioning correctly. Regular cleaning and lubrication are essential to prevent wear and tear on the needles and the bar itself.
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The needle bar typically has a series of holes drilled into it, with each hole holding a single needle. The needles are usually made of steel and have a hooked end that catches the yarn and pulls it through the fabric. The number of needles on the bar can vary depending on the machine and the type of fabric being produced.
In warp knitting machines, the needle bar is typically located above the warp yarns, which are held under tension by a series of guides and rollers. As the needle bar moves up and down, the needles pass through the warp yarns, creating loops that are held in place by the tension of the yarns.
