forming piercing

By analyzing the working process of leaking plate forming piercing compound die,the broken reasons of small convex die are found out.

通过对漏盘成形冲孔复合模工作过程的分析,找出了小凸模折断的原因,通过对小凸模采用全行程导向保护,改善了小凸模的工作条件,保证了模具的正常使用。

The side-forming punching die for hot blast cover with double convex boss;

热风罩立边双凸台侧成形冲孔模

The paper sketches the course of research and development of "CG percussive grabbing boring equipment with casing",composition and specification of equipment;analyzed construction technology of full-casing cast-in-place pile,bitten piles and replacement stone column;sums up the field cases and development prospect.

简述了国家重点新产品"CG型全套管冲抓成孔设备"的研发历程,以及设备的组成、特点和参数;分析了全套管灌注桩、咬合桩、置换桩的施工工艺及特点;总结了该设备的应用实例和发展前景。

Foundation Pit Supporting Technology of Grouting Pile Cantilerer Enclosure by Percussion and Grabing;

冲抓成孔灌注桩悬臂围护形式深基坑支护技术

The application of cone grab hole building by dry method in foundation construction

冲抓锥干法成孔技术在基桩施工中的应用

blast joint hole

地层砂冲蚀在耐冲蚀管上形成的孔

Cause and Solutions of Plugging Materials in the High-Speed Punching Hole

高速冲压冲孔堵塞的成因及预防措施

Construction Technology of Mechanical Impact Pore-forming in the Project of Pouring Pile Foundation

灌注桩基工程机械冲击成孔施工工艺

Necking Cause Analysis and Countermeasure of Strait International Convention and Exhibition Center

海峡会展冲孔桩缩径成因分析与对策

Reaming Coefficient Reduce and Its Effect of Punched Pile Foundation in Karst Region

浅淡岩溶地区冲孔灌注桩桩基扩孔系数的降低与成效

Clasping to the masts, he endured a sea that almost split the deck.

他抓紧桅杆，顶着一阵差点儿把甲板冲成两半的海浪。

Analysis and Treatment of an Accident of Blocking Bore of Excavated Hole Driven Cast-in-Place Pile by Percussion Drill

一起冲击钻成孔灌注桩卡钻事故的分析与处理

Study of Adaptive Digital Beamforming and Simulation of Interference Environment for SIAR;

综合脉冲与孔径雷达自适应波束形成的研究

The Preparation and Characterization of Mesoporous Molecular Sieves AlMCM-41 in Buffer Solutions;

缓冲溶液合成介孔分子筛AlMCM-41及其表征

Management of Quality and Constructing in Infixing and Forming Hole Vibrating and Striking Gravelly Stake;

钻进成孔振冲碎石桩的质量与施工管理

The Pore-forming Mechanism Study of Cam Bit on Percussive-Rotary Extruding DTH Drilling

凸轮型冲击回转挤压钻头成孔机理的研究

Core Drilling Method Used in Testing of Punching Hole Cast-in-place Piles

钻芯法在冲孔灌注桩成桩质量检测中的应用

A new technology design of Automatically Continuous Punching &Extruding Four-Hole Forming on Bend Sidebar of Chain

链条弯链板自动连续冲挤4孔成形新工艺设计

This series pressing machine can be widely used in the technologies of drilling, losing materials, cutting, bending, shaping and light extension etc.

本系列压力机可广泛应用于冲孔、落料、切断、弯曲、成形、浅拉伸等工艺。

The machine can automatically punch or continu-ously punch shoes eyes the punching and eyeleting can be finished oncc.

该机具有单打或连续钉打鞋眼，冲孔。钉眼一定自动完成。

Analysis and Elimination of Raised Grain Defect during Fabrication of Numerical Control Small Punch Mesh Plate

数控小孔冲床网眼平板加工中的波浪纹缺陷成因分析及排除