Planer
Shaping and planing tool
A tool with a cutting portion for planing.
Planers can be divided into slitting, crosscutting, grooving, cutting and forming planers depending on the application. The structure of the planer is basically similar to that of a turning tool, but the planer is interrupted when it is working and subjected to impact load. Therefore, under the same cutting cross-section, the cross-section of the shank is 1.25 to 1.5 times larger than that of the turning tool, and a larger negative-blade inclination (-10° to -20°) is used to improve the impact resistance of the cutting edge. In order to avoid the bending deformation of the planer arbor under the action of the cutting force, so that the cutting edge enters the workpiece, an elbow planer is usually used. In heavy machinery manufacturing, welding-mechanical clamping planers are often used, that is, the blades are welded to the small blades, and then clamped on the arbor to facilitate the welding, sharpening and loading and unloading of the tools. When planing a large plane, a hobbing planer can be used, and the cutting portion thereof is a bowl-shaped cutter head. The circular cutting edge continuously rotates under the action of the cutting force, so the tool wears uniformly and has a long life.
Eppendorf tip refill is designed, developed and produced to perfectly match most brands of pipettes. The refill tower tip is suitable for most brands of pipetting systems to ensure pipetting accuracy. The sterile refill tower Pipette tip uses medical-grade plastic packaging to protect the Pipette Tips from contamination. The pipette tip refill is sterile, free of DNA, DNase, RNase, endotoxin or ATP. It can be autoclaved at 121 °C/250 °F (2bar) and sterilized by heat and humidity, in accordance with DIN EN 285. Environmentally friendly packaging. According to the IVD Directive 98/79, it has the European Union CE mark.
Compared with ordinary carton packaging, the refill tips system can save 60% of laboratory space and 70% of plastic. Without touching the tips, you can refill the shelf with one hand. Refill Pipette Tips can be used with universal carrier boxes.
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