Pharmaceutical packaging and bushing accessories from China.
Posted by siravich in Rigid Plastic on January 24, 2012
www. RomanTsibulsky.com Roman Tsibulsky is professional consultant in choice of any pharmaceutical equipment. Big catalogue of new equipment from factories of China, India, Korea. A lot of second-hand equipment from Europe and Russia. I assist in choice, search, delivery and customs clearance of pharmaceutical equipment to Russia. I have wide experience and knowledge of technologies. In my catalogues it is a lot of video, photos, descriptions of various equipment. I complete lines and separate machines by product samples. All assortment of joint products (packaging, raw, expendable materials) Moscow phone +7-495-364-38-08 Minsk phone +375-29-308-00-00 Roman Tsibulsky Mail: info@romantsibulsky.com Skype: RomanTsibulsky Equipment catalogue minipress.ru
Rock & Roll cornflour experiment: success
Posted by siravich in Rigid Plastic on January 23, 2012
After fiddling with the settings of my guitar and amp for a while, I got it feeding back a constant tone of about G#, which I could vary by bending the string. We had a small puddle of fairly thick cornflour/water paste sat on a rigid plastic sheet on top of the speaker, held in place at one corner. The results were these impressive moving fingerlike growths.
EPS Block molding.wmv
Posted by siravich in Rigid Plastic on January 20, 2012
EPS machine Expanded polystyrene, Foam machinery Xps machine Insulated foam machinery Insulated concrete foam Eps blocker Eps molder Thermal foam Plastic machine Styrofoam Plasto foam Foam insert Rigid foam Zigzag foam Cnc cutter
AXEL OVERGARD | Hama Star 63: Tripod
Posted by siravich in Rigid Plastic on January 11, 2012
This tripod is incredible, and for the price just seems like one of those rare finds you’d recommend to anybody. The legs expand to three sections by simply unclipping and re-clipping plastic clasps, and the whole section is made secure by the twist of a collar. The legs have swiveling rubber feet to accommodate uneven ground. The upper section raises above the apex of the tripod with a crank handle for precise adjustment, and once again secures with the twist of a screw collar. Rotation around the tripod is secured by a screw knob, and the tilt adjustment is secured by rotating the handle along its axis. The camera is locked into the tripod by a quick-release plate screwed into the standad camera socket. There are two spirit levels: one to indicate the camera plate is level in the tilt plane, and one on the top of the legs to indicate the tripod legs are level, although that one’s very small and not exactly much use. About the only thing I could criticise is the adjustment which hinges the camera plate at one side, letting you turn the camera on its side for a portrait image. This doesn’t seem to have an exact 90 degree stop, and actually comes to rest a little beyond 90 degrees, so it’s a bit of guesswork to make sure the camera is at the right angle. The tripod package I bought comes in a good quality canvas-type bag which does the job very well. And if you don’t want to use that, there’s a rigid plastic handle attached to the central strut which also serves well. The …
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The Compound Bow’s Basic Components
Posted by siravich in Rigid Plastic on January 10, 2012
The first compound bow was invented by Missouri Bow hunter Holles Wilbur Allen in 1966, and granted a US patent in 1969. A compound bow is a modern bow that utilizes a levering system to pull or bend the limbs with cables and pulleys. Its limbs are made much stiffer than usual compared to the recurve bow or longbow. It is this stiffness that makes it able to shoot arrows faster and with more power due to the greater energy stored in the limbs. The strings are attached to a pulley or cam, with one or both has one or more cables attached to the opposite limb. The pulleys turn every time the string is drawn back, which causes the pulleys to pull the cables, and causes the limbs to bend. Once the limbs are drawn back by the archer, energy is stored in the limbs, ready to shoot at arrow towards its intended target.
What a Compound Bow is Made Of
The central riser is the central mount for other parts such as the limbs, stabilizers, sights and quivers, and is mostly made up of aluminum or magnesium. Most risers are made out of aircraft-grade 6061 aluminum alloy, and designed to be as rigid as possible. The limbs are made of composite materials or composites – which are made from two or more constituent materials of different physical or chemical properties engineered to make a stronger and better component, and are capable of taking high tensile and compressive forces. All the energy generated by a drawn bow is stored in the limbs – not in the pulleys and cables.
Common configuration of the compound bow presents a cam or wheel at each end of the limb, which may vary from different bow designs. Utilizing how the cams store energy in the limbs has varying concepts which fall under a category called bow eccentrics. The most common types of bow eccentrics are the Single Cam, Dual Cam, Binary Cam, and Hybrid Cam. The less common designs are the Hinged and Quad Cam.
The compound bow strings and cables are typically made of high-modulus polyethylene (HMPE), a very tough material with very high impact strength, highly resistant to corrosive chemicals and abrasion, extremely low moisture absorption, is self-lubricating, and has significantly lower coefficient friction than nylon. It is comparable to Teflon, and is odorless, tasteless, and non-toxic. This highly-modern material are designed to have minimal stretchability and superior tensile strength, and is what makes the compound bow able to transfer all the stored energy of its limbs as efficiently and durably as possible to the arrow. Earlier models of compound bows had plastic-coated steel cables.
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