By: rose green | 2011-09-21 | Sales Precision tapered roller Timken bearings are applied to generate screws integrating the attributes of axial cylindrical roller and heart-forwarding needle roller. read more
By: alexiawell | 2012-01-13 | Business Roller bearing should be cleaned before installation . Installation , we should use special tools to auxiliary evenly pressed into the bearing straight , and do not hand hammer percussion , specifically prohibiting direct hammer bearing . When the bearing seat and seat hole with loose , shall repair housing bore or replacement of the bearing ,and do not use to play in the bearing surface or reluc read more
By: gaga | 2011-01-25 | Business Types Engineer's bench vise or fitter's vise - image inset shows soft jaws Woodworker's vise Without qualification, "vise" usually refers to a bench vise with flat, parallel jaws, attached to a workbench. There are two main types: a woodworking vise and engineer's vise. The woodworker's bench vise main characteristic is its integration into the bench. An engineer's bench vise is usually clamped or bolted onto the top of the bench. Woodworking vises For woodworking, the jaws are made of wood read more
By: crusher | 2010-09-26 | Business Ball is the material to be broken, and then to smash the key equipment. It is widely used in cement, silicate products, new building materials, refractories, chemical fertilizer, black and non-ferrous metals and glass ceramics and other mineral production industries of all kinds of ores and other grind-able materials can be dry or wet grinding. read more
By: WaterOutfitters | 2010-10-06 | Water Sports No matter what type of outdoor water sports activity you enjoy, water towables are essential to a true water sports experience and family fun. Tubing, as it is commonly known, has come a long way from the days where riders just simply cruised around the water. New designs, new materials, and new features have allowed tubing to expand to a hi-tech, thrill-seeking extreme sport. With all of the "new-fangled" technology that is being put into tubes these days, it is essential to understand some of read more
By: nathansyngrem | 2011-08-10 | Manufacturing Tungsten carbide is a material that offers the twin benefits of tungsten and carbon atoms. Stronger than even the best of steel alloys, it is used for industrial machine and tools. read more
By: Frbiz | 2010-09-27 | Business Grinding the feed production processes in one of the important processes, grinding feed cost involved in operating (power consumption, wearing parts), weight loss (water and dust , mixed, particle mass term poultry feed production performance of fish and livestock health (ulcers) (KeithC.Behnke, 1999), improved operating environment (dust, noise . Therefore, the feed to improve feed grinding technology to improve production efficiency read more
By: pneumatic equipment | 2010-07-23 | Business Business, Business News, Business Opportunities Types Machining A countersink may be used in many tools, such as drills, drill presses, milling machines, and lathes. Cross-hole countersink cutter Side and end view of a cross-hole deburrer A cross-hole countersink is a cone-shaped tool with a cutting edge provided by a hole that goes through the side of the cone. The intersection of the hole and cone form the cutting edge on the tool. The cone is not truly symmetrical as it is essential that the cone retreats away from the cutting edge as the tool rotates. If this does not occur the cutting edge will lack clearance and rub rather than bite... read more
By: dpdp | 2010-10-09 | Small Business Principle of operation In three dimensional space, an object may either rotate about, or translate along any of three axes read more
By: wuwu | 2010-10-08 | Negotiation History In the 1950s, forestry engineer Norman Franz experimented with an early form of water jet cutter to cut lumber. However read more
By: gaga | 2011-01-22 | Business Operation The operation of a railroad switch. In this animation, the red track is the one travelled during a facing-point movement. The switch mechanism, shown in black, may be operated remotely using an electric motor or lever or from a nearby ground frame. A railroad car's wheels are guided along the tracks by coning of the wheels. Only in extreme cases does it rely on the flanges located on the insides of the wheels. When the wheels reach the switch read more
By: gaga | 2011-01-15 | Business Process Typically, the material to be cut is securely clamped or held in a vise, and the saw is advanced slowly across it. In variants such as the table saw, the saw is fixed and the material to be cut is slowly moved into the saw blade. As each tooth in the blade strikes the material, it makes a small chip. The teeth guide the chip out of the workpiece, preventing it from binding the blade read more
By: tianli | 2011-03-31 | Training Earliest unverifiable history Unrideable replica made 1965-72 from the alleged 1493 Caprotti sketch. There are several early but unverifiable claims for the invention of bicycle-like machines read more
By: gaga | 2011-01-27 | Business History One theory of the advent of the unicycle stems from the popularity of the penny-farthing (or "Ordinary") during the late 19th century. Since the pedal and cranks were connected directly to the front axle, the rear wheel would go up in the air and the rider would be moved slightly forward. Many penny-farthing owners discovered they could dispense with the frame and just ride the front wheel and handlebars read more