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  • Tips for Adjusting the Bit Guide of a MSP Screw Presenter
    with the screw head and the fastener is removed, then another screw automatically dispenses to the bit guide and is ready for an easy pick-up. No fumbling with screws.
  • Illustration software helps design manuals
    curves and ellipses. Curves represent the threads and ellipses make up part of the head and the end of the screw. Moving a grouped PCB (the dotted square) close to a line shows the snap location it will lock to, in this case the midpoint of the line. A guide line (the straight line) is used to line up
  • Plastics Consultancy Network - Profile and sheet extrusion
    line begins with the hopper which holds the plastic material (in either powder or granule form). The hopper continuously feeds the material to a heated barrel which contains a rotating screw. This screw transports the polymer to the die head and simultaneously the material is heated, mixed
  • Making Connections - Terminating the Wiring
    There are many ways to terminate a wire: soldering; crimping; under. the head of a terminal strip screw; welding...all can be successful in. forming a good, gas-tight connection. While each has its place, they all. require low resistance consistent with circuit demands. This means the. conductors
  • Washers
    known as plain washers, provide a bearing surface for a nut or screw head, cover large clearance holes, and distribute fastener loads over a large area, particularly on soft materials. This, in turn, reduces contact stresses and can thus reduce relaxation. Two types of washers are defined for general
  • Utilization of Pressure Transducers for Improved Control of the Extrusion Process
    of 1% can result in a change f up to 3% in the extruder output. (2) Changes in head pressure can indicate the condition of the screen pack, die or heater troubles, screw/barrel wear or damage, material feed problems and start-up or shutdown related problems. (3) In general, improved production
  • What's It Worth?
    to repair something I could have replaced for less than a dollar. "I've almost got it, " I said, without looking up. She walked away, shaking her head. I dropped the tiny screw I'd been trying to get back in--for the tenth or eleventh time. I took a deep breath, rubbed my eyes, and sat quietly
  • Torque limiters get fillers out of a jam
    Model 500 H-TLC torque limiter protects the bottle height adjuster mechanism from overload. A Nylatron GS and Delrin housing resists corrosives and needs no special maintenance or lubrication. The Zero-Max Torque Tender protects the timing screw drive from overload and jam-ups by instantly
  • When to go Linear
    to direction and distance. This magnetic linear encoder has a band containing magnetic particles periodically magnetized north and south to form sinewaveshaped magnetic fields. A noncontact sensor or read head scans the magnetic fields generating two output signals. The signals determine
  • Coarse and fine combined
    New actuators can traverse both long distances and subnanometer increments with equal ease. Among the applications for ceramic servomotors are hard-disk certification tools (top). Here a ceramic servo moves a singleaxis stage controlling a read/write head. The motors are also widely applied
  • Wedge drives precision elevator
    with 25-nm resolution. The wedge, an inclined plane, converts horizontal ball-screw movement into vertical elevation of the table top (up to 25 mm), with position feedback provided by either an internal linear or rotary encoder. Vertical-position resolution using a 25-nm linear encoder is 0.025 mm
  • Backtalk - 7/24/2008
    forces on downwind legs and in the lighter winds that we expect in Beijing, " said Mikko Brummer, head of R &D at WB-Sails. Unlike other programs they tested, EFD.Lab provided the direct CAD-to-CFD technology and automatic- mesh generation needed for fast turnaround times. The program also threw
  • Online expert runs your FEA
    Small and midsized companies may not afford to keep a full-time FEA expert on staff. The bracket assembly has been stress analyzed for a load on the Allen-head hex screw. The table shows three of four results requested by the designer in columns to the lower right. The showed high stresses