Pvc 3D Models

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"Create a 3D model of a square frame made of 1-inch diameter PVC pipes. The frame should consist of four straight pipe segments connected by four 90-degree elbow joints. The outer dimensions of the square should be 6 inches by 6 inches, creating an internal open span of approximately 4 inches to allow a forearm to pass through with clearance. Ensure the pipe surfaces are smooth and the joints are flush."

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Anonymous1771448816

（一）换热模块
采用逆向流闭式换热设计，核心组件为PVC蛇形换热管（直径20mm、壁厚2mm、总长度10m，换热面积0.094m²）、12W微型循环泵、保温棉及储水箱；换热管外部包裹保温棉
（二）净化模块
采用“吸附+过滤”双重净化工艺，由5L活性炭吸附柱、0.1μm陶瓷膜组件、微型自吸泵及出水管路组成。
（三）控制模块
基于开源单片机智能控制设计，核心为Arduino Uno主控单元、DS18B20温度传感器、水质传感器及LCD显示屏。传感器实时采集换热后水温（监测阈值15-20℃）、净化后水质数据，并将数据传输至主控单元，通过LCD显示屏实时可视化展示。各模块通过管路与电路精准联动，进水端矿井水经稳压阀进入换热模块，完成地热回收后自流至净化模块，经双重净化达标后，通过出水控制阀实现回用或少量达标排放；控制模块通过电路与换热、净化模块的泵体连接，实现流量、温度的智能调节，
采用透明亚克力板加工组装，整体尺寸为40cm×30cm×40cm，内部根据各模块尺寸设计分层卡槽与固定卡扣，实现换热、净化、控制模块的独立固定与集成化布局。亚克力板厚度5mm，强度满足模块承重与户外轻微碰撞需求，透明材质可直观观察内部管路走向与组件运行状态；框架底部设计4个防滑橡胶脚垫，增加放置稳定性，侧面预留管路进出口与电路穿孔，做到布局紧凑、接口规范，整体体积≤0.5m³
二、换热模块机械结构
核心为蛇形PVC换热管组件与储水保温结构，换热管选用直径20mm、壁厚2mm的PVC给水管，经弯管加工形成蛇形布局，总长度10m，换热面积0.094m²，蛇形结构大幅增加换热接触面积，提升热能提取效率。换热管两端通过快接式塑料接头与进水、出水管路连接，便于拆卸清洗；换热管外部包裹5mm厚保温棉，外侧加设PVC防护套管，减少热量损耗的同时防止保温棉破损；配套12W微型循环泵通过卡扣固定在框架中层，泵体进出水口加装减震橡胶圈，降低运行震动，储水箱为10L食品级塑料水箱，与换热管出水口直接对接，实现地热清水的储存与保温。
三、净化模块机械结构
采用立式串联式布局，由活性炭吸附柱与陶瓷膜组件上下叠加组成，均通过不锈钢卡扣垂直固定在框架右侧。活性炭吸附柱为5L圆柱型塑料罐体，顶部设加料口、底部设排污口，罐体内部设计多孔滤板，防止活性炭颗粒随水流流失，进出水口均加装40目滤网，进一步过滤大颗粒杂质；陶瓷膜组件为一体式封装结构，有效过滤面积0.1m²，通过快接法

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$// Parámetros del Cañón CVD-1 diametro_tubo = 75; // Medida estándar PVC España grosor_pared = 5; largo_total = 100; angulo_bisel = 45; difference() { // Cuerpo exterior cylinder(h = largo_total, d1 = diametro_tubo + 10, d2 = diametro_tubo + 20, $fn=100); // Hueco interior translate([0,0,-1]) cylinder(h = largo_total + 2, d = diametro_tubo, $fn=100); // Bisel de salida (El secreto del vórtice) translate([0,0,largo_total - 10]) cylinder(h = 11, d1 = diametro_tubo, d2 = diametro_tubo + 15, $fn=100); }$

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Anonymous1770162859

Modelar um joelho de PVC de 90 graus (cotovelo), material plástico liso, acabamento fosco, cor cinza claro uniforme.

A peça é composta por dois cilindros ocos conectados por uma curva suave de 90°.

Características geométricas:

Ambos os lados são ocos e lisos internamente (sem rosca).

Uma das extremidades possui diâmetro interno e externo maior que a outra (redução excêntrica simples).

A diferença de diâmetro deve ser visível, mas não exagerada (aproximadamente 10–20% maior).

As duas bocas possuem comprimento axial alongado (aprox. 1,5x o comprimento padrão de um joelho comum).

Espessura de parede uniforme em toda a peça.

Transição entre os cilindros e a curva deve ser suave, com raio contínuo (sem quinas).

Bordas externas levemente chanfradas ou arredondadas.

Interior completamente liso.

Sem inscrições, marcas ou texturas industriais.

Proporções sugeridas:

Ângulo: 90°

Raio da curva: proporcional ao diâmetro médio.

Espessura da parede: cerca de 15% do diâmetro externo da boca menor.

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Anonymous1771052963

a PVC pipe tube that is the shape of a T but rounded internal geometry so the air going through ut doesnt stop flowing. make it on 1 plane

Anonymous1770935902

a PVC pipe tube that is the shape of a T but rounded internal geometry so the air going through ut doesnt stop flowing. each whole will be on the x plane -x and y plane

Anonymous1770935902

a PVC pipe tube that is the shape of a T but rounded internal geometry so the air going through ut doesnt stop flowing.

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Anonymous1769528608