螺纹

Size 1/2"(15mm) dual connection, solder or male IPS x 3/4"(20mm) hose thread connection, angle pattern

BD1C -通径DN15双连接，焊接或外螺纹铁管连接端口 x DN20软管螺纹连接端口，角式

In order to meet the current rapid development of the construction industry, reinforced concrete structure of the growing number of situations, to meet the requirements of a large number of steel connections, my company and the Beijing Architecture Design and Research Institute of the success of research and development with international and domestic advanced level reinforced rib peeling rolling straight thread forming series of mechanical and connecting sleeve, bar straight screw connection technology has the following characteristics: 1, on the neutral good, stable performance, high joint strength.

为适应当前建筑业的迅速发展，钢筋混凝土结构日益增多的形势，满足大量钢筋连接的要求，我公司与北京建筑设计研究院成功研制、开发了具有国际国内先进水平的钢筋剥肋滚轧直螺纹成型系列机械和连接套筒，钢筋直螺纹连接技术具有以下特点： 1、对中性好、性能稳定、接头强度高。

The thread connection of big-diameter reinforce bar adopts LBG-40 straight thread screw rolling machine of the reinforced bar.

通过采用滚压设备LBG-40型钢筋直螺纹滚丝机，进行粗直径钢筋螺纹连接，克服大直径钢筋闪光对焊接头质量不易保证的弊端。

The new-type instruments have been designed according to this result. The design concept of the new-type files is the cutting by stage and the alteration major cutting region.

新型器械的设计概念为分段切削，改变切削螺纹的工作区间，将不需要参与切削的位置设计为无螺纹平滑曲线。

The host produces: The wedge type gate valve, the bright pole coal gas gate valve, the gate valve, the electrodynamic balance-like double damper plate gate valve, the box thread gate valve, the bright pole underground gate valve, the electrically operated dark pole wedge type gate valve, seals the gate valve, the knife gate valve, the cut-off valve, the box thread cut-off valve (Japanese-style, Soviet type), to turn on lathe softly opens the type check valve, to risefall the check valve, the noise elimination check valve, to clamp the small dish shape check valve, the vertical check valve, to stand lies the dual purpose check valve, the small dish shape by-pass valve, the by-pass valve, the stopcock, the Three Contacts stopcock, the plunger valve, the ball valve, the flange reed valve.

主产：楔式闸阀、明杆煤气闸阀、闸阀、电动平衡式双闸板闸阀、内螺纹闸阀、明杆地下闸阀、电动暗杆楔式闸阀、软密封闸阀、刀型闸阀、截止阀、内螺纹截止阀、旋启式止回阀、升降止回阀、消声止回阀、对夹碟形止回阀、立式止回阀、立卧两用止回阀、碟形平衡阀、平衡阀、旋塞阀、三通旋塞阀、柱塞阀、球阀、法兰蝶阀。

Many horses Products: Bits; reamer; countersink drilling / reaming drill; tap; carbide thread milling cutter; cutter; die; white steel universal and dedicated to a workpiece material twist drill; Drilling holes or drilling and tapping Shen composite tool; Center drill and drill centering; high-performance ADX and CDX high-speed steel drill bits carbide drill bits (both outside the convex cutting edge, high efficiency, easy to chip-breaker); Deep-hole Drill the parabolic trough PFX; have "self-thinning thick heart," the characteristics of taper shank twist drill the first A030 (drilled shafts designed to take into account the characteristics of the cardiac thick thinning, re-mill grinding, when no longer horizontal edge); VANGARD Series and SHARK Series high-performance machine tap; particularly suitable for machining aluminum, aluminum alloy, stainless steel and ductile extrusion tap; a variety of rough-cut and fine cut Endmill; Solid Carbide Thread milling cutter and the tap; with TiAIN coating cutting tool used to do: and so on.

钻头；铰刀；锪钻/扩孔钻；丝锥；硬质合金螺纹铣刀；铣刀；板牙；白钢刀通用性的和专用于某种工件材料的麻花钻；钻削和沉孔或钻孔攻丝复合刀具；中心钻和定心钻；高性能的ADX高速钢钻头和CDX硬质合金钻头（均有外凸形切削刃，效率高、易断屑）；PFX抛物线槽形深孔钻头；有&自我心厚减薄&特点的锥柄麻花钻头A030（钻槽设计中考虑了心厚减薄特点，重磨时不需再修磨横刃）；VANGARD系列和SHARK系列高性能机用丝锥；特别适合于加工铝件、铝合金、韧性钢和不锈钢的挤压丝锥；各种粗切和精切立铣刀；整体硬质合金螺纹铣刀和丝锥；带TiAIN涂层的用于干切削的刀具：等等。

Lord, are driven double-headed screw thread of the thread.

从、从动螺杆的螺纹均替单尾螺纹。

Lord, driven screw threads are double-headed screw.

主、从动螺杆的螺纹均为双头螺纹。

Small holes were drilled with manual augers.

小螺纹钻孔采用人力手摇式螺纹钻具完成。

Based on the analysis on the structure characteristics of the fan front shell and the method of thread demoulding, a chain transmission mechanism was designed to realize auto thread demoulding.

在分析风扇前壳体塑件结构及螺纹脱模方法的基础上，阐述了采用链传动机构实现螺纹型环机动旋转脱模的设计过程及其工作原理。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。