斜挎包（ZHO02）

斜挎包（ZHO01）

Explosion -proof type high energy ultraviolet light wave catalytic oxidation chemical industry exhaust treatment device

... 本实用新型提供一种防爆型高能紫外光波催化氧化化工废气处理装置，包括箱体，箱体的侧面开设有进风口和出风口，箱体的上端面固定安装有防爆催化发生器，箱体的侧面和顶部均安装有纳米钛网；防爆催化发生器包括壳体和盖体，壳体的底部安装有透明件，壳体内部安装有发射紫外光的灯管，灯管发射的紫外光恰能照射到纳米钛网表面，壳体中设有导线，导线外部设有防爆填料函。本实用新型的有益效果是：工业废气通过进风口进入箱体，灯管发射紫外光照射到纳米钛网上而产生臭氧，使经过纳米钛网的有害气体发生电离，形成游离态的原子，并与臭氧发生反应而生成无害或低害的小分子；之后净化空气从所述出风口排出。整个处理过程耗能少，能够节约使用成本。 ...

FUSED DEPOSITION FORMING COMPOSITE MANUFACTURING METHOD FOR PART AND MOLD AND AUXILIARY DEVICE THEREOF

A fused deposition forming composite manufacturing method for a part and a mold includes a prototype slicing step, a numerical control code generating step and a fused deposition forming step. Micro-rollers or micro-extrusion units move synchronously with a fused deposition area to compress and process the fused deposition area in a melting and softening area while the fused deposition forming step is performed. Micro-rollers used in the fused deposition forming composite manufacturing method for a part and a mold include a left vertical roller (9), a right vertical roller (6) and a horizontal roller (11). The manufacturing method prevents the melting material from falling, flowing, collapsing, cracking and deforming, reduces or eliminates residual stress, improves structure property, effectively reduces the step effect and increases the forming precision and the surface quality.

COMBINED ADDITIVE MANUFACTURING METHOD APPLICABLE TO PARTS AND MOLDS

A combined additive manufacturing method applicable to parts and molds, relating to the field of parts and molds manufacturing by mold-free forming, and comprising the following steps: S1, according to the shape, thickness and dimensional accuracy of the workpiece to be formed, layer processing of the 3D CAD model of said workpiece is performed, to obtain multi-layer slice data; S2, on the basis of the multi-layer slice data, planning of the forming steps is undertaken, and the required numerical control code is generated for each layer; S3, on the basis of the numerical control code for each layer obtained in S2, powder material is stacked layer by layer on a substrate to form the shape that is then further processed by pressure treatment or milling; the layer by layer forming utilizes a numerically-controlled high-speed cold-spray gun to apply the powder material to the designated locations and thus build up the form by stacking. The present method overcomes both the undesired effects ...

Absolute value encoder code wheel

... 本实用新型涉及种绝对值编码器码盘，包括码盘本体，所述码盘本体上设有由内而外分布的通光圈、主码道和基圈；所述通光圈、主码道和基圈同心布置；所述主码道共有N条码道，所述N条码道由外向内依次分布，且码道的码带数量依次递减，相邻两条码道之间的码带数量差为2倍。本实用新型能够提高码盘的精度。 ...

ACETIC NITRILE FIBRE AND PREPARATION METHOD THEREFOR

The present invention relates to a fibre material, in particular to an acetic nitrile fibre and a preparation method therefor. The acetic nitrile fibre is composed of polyacrylonitrile and cellulose acetate, wherein the mass ratio of the cellulose acetate to the polyacrylonitrile is an arbitrary ratio, preferably 15 wt％-35 wt％ : 65 wt％-85 wt％, and more preferably 15 wt％-30 wt％ : 70 wt％-85 wt％. The acetic nitrile fibre provided by the present invention has improved the defects that an acrylic fibre is poor in hygroscopicity and easy to generate static electricity; improved the drawbacks that the pure acetate fibre is low in strength and poor in serviceability; at the same time, the comprehensive performance of the acetic nitrile fibre provided by the present invention is good.

Sinusoidal wave encoder code wheel

... 本实用新型涉及种正弦波编码器码盘，包括码盘本体，所述码盘本体上设有由内而外分布的第变量码道、第二变量码道、第三变量码道和第四变量码道，所述第二变量码道和第三变量码道之间设有条增量码道，所述增量码道与第二变量码道之间设有组零位信号；所述第变量码道、第二变量码道、第三变量码道、第四变量码道和增量码道同心布置，所述第变量码道、第二变量码道、第三变量码道和第四变量码道之间的相位差均为90度；所述第变量码道、第二变量码道、第三变量码道和第四变量码道上各有个单狭缝；所述增量码道上设有四组群狭缝，所述零位信号上有个单狭缝。本实用新型能够提高码盘的精度。 ...

ADDITIVE MACHINING FORMATION METHOD SUITABLE FOR COMPLICATED PARTS AND MOLDS

An additive machining formation method suitable for complicated parts and molds. The method comprises the following steps: building CAD geometric models of parts or molds; extracting an STL model, and dividing the STL model into multiple layers according to a preset layering thickness; respectively extracting inner and outer profile points of the multiple layers to form inner and outer profile trajectories; generating, based on the inner and outer profile trajectories, numerical control instructions corresponding to the machining of each of the layers; selecting plates, the thicknesses of which are layering thicknesses, and taking same as machining objects of each of the layers; cutting each layer of plate by means of a cutting device according to the numerical control instructions corresponding to the machining of each of the layers; stacking and accumulating each of the layers in sequence to obtain primary blanks or primary blank blocks; during stacking and accumulation, carrying out ...

Incremental encoder code wheel

... 本实用新型涉及种增量式编码器码盘，包括码盘本体，所述码盘本体上设有由内而外分布的基原线和信号分辨通道，所述信号分辨通道和基原线同心布置；所述信号分辨通道的上下两侧还布置有零位通道。本实用新型能够提高码盘的精度。 ...

INCREMENTAL MANUFACTURING METHOD FOR PART OR MOLD

An incremental manufacturing method for a part or mold comprises a numerical control code generating step and an incremental forming step. In the incremental forming step, when deposition forming of a deposition forming material is conducted by layers on a base body, rotary compression forming is carried out by layers. The incremental manufacturing method can solve the problems of easy cracking and deformation, large residual stress and inadequate and unstable structural properties of a formed part caused by repeated quick heating and cooling as well as problems of flowing, drop and collapse of the molten material under the effect of gravity in the existing moldless deposition incremental forming process for a part or mold. Therefore, parts or molds made of metallic compounds, intermetallic compounds, nonmetallic compounds and composite materials thereof can be obtained rapidly with high quality and low cost.

Heating control method and device for carbide furnace

The invention discloses a heating control method and device of a carbonization furnace, and the control method comprises the steps that a control module obtains the feedback temperature of a plurality of temperature zones in the carbonization furnace, and if it is judged that the feedback temperature of each temperature zone in the carbonization furnace reaches the set temperature of each temperature zone, the control module sends a heating instruction to the carbonization furnace. The feedback temperature of each temperature zone in the carbonization furnace is uniformly obtained through the control module, whether the feedback temperature of all the zones reaches the set temperature or not is judged, the temperature in the carbonization furnace can be accurately controlled, the temperature in the carbonization furnace is prevented from being too high or too low, and the working efficiency of the carbonization furnace is improved.

Heat treatment method for improving tensile property of TC4 titanium alloy

The invention provides a heat treatment method for improving the tensile property of a TC4 titanium alloy. The heat treatment method comprises the following steps that a treated TC4 titanium alloy sample is placed in a heat treatment furnace to be heated to the temperature below the beta-phase transformation temperature for solid solution heat preservation; carrying out furnace cooling to a certain temperature according to a set cooling speed, and immediately carrying out water-cooling quenching; the quenched sample is placed in the heat treatment furnace again to be heated to the temperature below the beta-phase transformation temperature, subjected to aging heat preservation for a period of time and then cooled; the TC4 titanium alloy sample is manufactured by plasma arc deposition composite synchronous rolling additive manufacturing. In conclusion, the characteristics that a primary phase and a large-scale microstructure are regulated and controlled through subcritical annealing and ...

直接快速制造模具与零件的方法及其装置

... 一种直接快速制造模具与零件的方法及其装置。通过快速设计或反求技术，得到制件的三维数据模型，对其进行分层切片处理，再由数控装置控制等离子喷头按截面轮廓逐层熔积成形，直至得到所需制件。还可利用精细光整加工器对各熔积层进行逐层光整。其装置包括工作腔、数控装置、等离子喷焊机、激光切割器和精细光整加工器。本发明装置简单、成本低；所得制件具有满密度、近终形和综合力学性能高等特性。 ...