切头

对于减少CPE顶管收口时间和切头损失的探讨

On the study of reducing the time of tube necking and the loss of crop end in the CPE tube pushing

飞剪系统中钢坯、剪刃位置的检测及定长切头控制

Detection of Billet and Shear Chin Position of Flying Shear System and Control of Fixed Length Crop

滚筒式切头飞剪PLC控制系统

Drum shear PLC control system

功能：切头、打头、冲V口，上浆，植绒，上色，烘干，下管。

Function : head cutting , head shocking , V-shaped port punching , sizing & flocking , coloring , drying , delivering .

根据大量的生产研究，认为半镇静钢随着[Si]含量的提高，钢坯切头率增加，B5b半镇静钢的适宜硅含量，应控制在0.07%以下。

According to studies carried out in the plant , the percentage of bloom-crop end increased with an increase of Si content . The Si content of semi-killed steel B , b should be controlled below 0.07 % .

滚筒式切头飞剪力能参数与能量模型

Mechanical Parameter and Energy Model of Rotary Cutting Head Flying Shears

双滚筒高速飞剪的定长切头控制

Control of Fixed Length Cutter for High-Speed Flying Shear with Double Rollers

双滚筒式切头飞剪剪切力的计算及计算机模拟仿真

Simulation on Cutting Force of Two Roller Type Truncate Scissors

棒材连轧机切头飞剪的控制系统

The Control System For Flying Shears of Bar Rolling Mill

切头锯迷宫密封原理及泄漏量的控制

Labyrinth Seal Principle and Leakage Control for Cutting-end Saw

切头飞剪起制动过程动力学参数分析

Dynamics Parameters Analysis of the Truncate Scissors in the Start / Brake Process

鞋底斜度自动切除机自动开合螺丝板牙切头

Automatic sole slope cutting machine self opening die head

武钢2250曲柄式切头飞剪主要零件的机械加工技术

The Machining Technology for the Main Parts of WISCO 2250 Crank Crop Shear

新型锥螺纹切头圆锥式破碎机的设计

A New Type of Taper Thread Cutting Head

钢管张力减径工艺的切头控制

Crop-control in steel pipe stretch - reducing process

切头飞剪动态特性研究

Study on Dynamic Characteristics of Truncated Scissors

胎面、胎侧挤出联动线切头角度由30°改为25°；

Changing end cutting angle of tread and sidewall extruding line from 30 ° to 25 °;

单线式端头废料剪切机中板厂切头剪电气控制剪切过程的实现

Carry out the Cutting Process by Electrical Control of the Head Shear Machine in Medium Plate Plant

介绍滚筒式切头飞剪设备组成、结构特点及用途。

The article covers the composition , structural characteristics and function of the rotary drum type crop flying shear .

通过金相检验并依据应力腐蚀理论，分析了高速钢锻造方坯修磨切头后再酸洗时产生裂纹的原因。

It is found that cracks produces in the surface layers of repickled ground high speed steel square blanks .

电气控制系统是打码切头机的中枢神经，结合该设备的具体工作环境，对电气控制系统采用纯继电器控制。

Combined with the specific working environment of the equipment , the electrical control system uses the pure relay control .

对设计、安装、维修异周速切头飞剪有一定的参考价值。

The dissusion may be of reference value to the designing , instalment and repair of differential speed cutting crop shear .

介绍了在切头飞剪设计中，飞剪型式、传动系统、剪切位置、电动机的选择原则；

This paper introduced the rule of selecting the type of flying shears , driving system , cutting positon and electromotors ;

合理控制切头切尾量，提高电渣钢曲轴坯成材率

Reasonable Control the Upper Crop End and Lower Crop End Weights , and Improve the Utilization Rate of Crankshaft Blank of Electroslag Remelting Ingot

母排需要在专用数控冲床上切头、冲孔、切断，最后经过折弯机折弯而成。

Bus bar is manufactured by special NC punch through top cropping , punching hole and cutting . It is bended by bending machine finally .

钢管减径三维热力耦合刚塑性有限元虚拟仿真集成系统降低张力减径管切头损失的新工艺

Integrated Virtual 3-Dimensional Fem Simulation System with Coupled Thermomechanical for Stretch Reducing Process of Tube A NEW TECHNOLOGY TO REDUCE CROP LOSS OF STRETCH REDUCING MILL

介绍了钢锭粗轧过程中对切头、切尾及均分段操作的长度计算方法及控制策略。

This paper introduces the length compute means and control method for cutting head , cutting end and mean cutting operation in bar roughing roll process .

中厚板轧制生产过程是最重要的金属塑性加工过程之一，轧件的非均匀展宽导致轧制生产出非矩形形状的中厚板，造成大量的切头、切尾及切边损失。

Plate rolling is one of the most important metal forming processes . In rolling , non-uniform spread results in non-rectangular plates , causing yield loss .

重点拟定和分析了切头和定尺剪切的长度给定环节、速度给定环节、位置控制和切换环节。

The length-given link , velocity-given link , position control and change-over link of cutting head and fixed length cutting have been emphatically analyzed and worked out .

采用本文推荐的改进的钢管减径速度制度，可较大地降低减径钢管前后的切头损失。

The application of the improved tube reduction speed system recommended in the paper makes it possible to greatly cut down the crop losses of the reduced pipes .