退火是将钢材或各种金属机械零件加热到适当温度，保温一段时间，然后缓慢冷却，可以获得接近平衡状态组织的热处理工艺。其目的是为了细化组织、降低硬度、改善机械切削加工性能及去除内应力。在机械制造行业，退火通常作为工件制造加工过程中的预备热处理工序。

厦门仲鑫达自动化设备有限公司

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　　强对流电加热罩式光亮退火蓝化炉主要适用于黄铜带、青铜带、异型铜带、紫铜带、各类精密铜管、造币材料、精密带钢、复合带材、软磁和硬磁合金、铜合金线材、标准件材料、不锈钢带等几十种材料。单座钟罩炉大装料直径3.2M，装料高度高达4M，大装炉量80T。考虑到一些小型金属加工企业无燃气来源、无煤炭来源，所以该炉采用电阻带的加热方式，与燃气罩式退火炉比较起来运行成本相对稍高，生产周期相对长一点。但是，其设备配置简单，运行可靠，维修方便，退火工艺各阶段温度可设定，能满足各种金属的退火需要。

　　该电加热罩式退火炉采用单套控制系统独立控制双炉座加热退火炉，炉体本身使用了轻质节能材料，结构设计合理，保温效果好，当电阻带温度达到1000℃时，加热罩外壳只是环境温度加上40℃。料室保护气采用氮氢气，使得被退火材料在高温退火状态下无氧化、无脱碳。采用抽真空系统节约大量的保护气体和电源能耗。控制系统采用单套西门子S7-200系列PLC全自动控制两套加热炉的升温、保温、冷却过程，采用灵敏度高的热电偶分别采集炉体外罩和内罩的温度，根据工艺设定的升温、保温时的温度值PID调节加热器的工作状态和加热频率，保证保温温度的恒定，并配有8寸的触摸屏，可以生动形象地对各个炉座的升温、保温、冷却过程实行了全方位的控制与管理，为用户生产合格的产品提供可靠的保障。

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　　NEW GATES B42 HI-POWER II V80 45 IN 5/8 IN V-BELT BELT B430273

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　　AMMERAAL BELTECH 400172 SS CLIPPER LACE 120-1/2 IN 10 IN CONVEYOR BELT D502774

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　　REXNORD 3873 TABLETOP CHAIN 118-1/2 IN 10 IN CONVEYOR BELT D501994

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　　LOT 3 NEW GATES TRUFLEX 1430 3L430 V-BELT 3/8X43 IN BELT B209345

　　NEW DURKEE ATWOOD B77 METRIC SIZE 16C2030 V-BELT 80X5/8 IN BELT B333223

　　NEW SYNCHROFLEX T10/960 960MM 16MM 10MM TIMING BELT D438977

　　NEW GATES A49 HI-POWER II V80 51 IN 1/2 IN V-BELT BELT B454145

　　NEW GATES 3830V580 MULTI-SPEED V-BELT 59X2-3/8 IN BELT D239358

　　NEW INTRALOX SERIES 1400 ET GREY 10FT LENGTH 12IN WIDTH CONVEYOR BELT D401251

　　NEW OPTIBELT-ZR 630H200 TIMING 63X2IN BELT D284053

　　NEW GATES 8MGT-1440-12 POLYCHAIN GT CARBON 1440MM 12MM 8MM TIMING BELT D502063

　　NEW GATES C185 HI-POWER II 189X7/8IN V-BELT BELT D388196

　　NEW REXNORD 820 TABLETOP 106-1/2 IN 4-1/2 IN 1-1/2 IN CONVEYOR BELT D501922

　　NEW HABASIT 208-35 FLUSH GRID 35% OPEN ACETYL CONVEYOR 120X1-1/2 IN BELT B253021

　　NEW GATES 5VX1500 SUPER HC V-BELT 150X5/8 IN BELT D253518

　　NEW EAGLE BELTING B SECTION 100FT 5/8 IN V-BELT BELT D389472

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　　NEW BELT POWER 82-1376 178IN LENGTH 10-1/2IN WIDTH CONVEYOR BELT D418678

　　NEW GOODYEAR D1100H100 DUAL POSITIVE DRIVE 110X1IN BELT D286659

　　NEW REXNORD LF4705 TABLETOP CHAIN 10FT CONVEYOR 120X12 IN BELT D320208

　　NEW PEARSON LH150UK 160 IN 1-1/2 IN 1/2 IN PITCH CONVEYOR BELT D420656

　　NEW REXNORD LF882TABK6 TABLETOP CHAIN CONVEYOR 120X6 IN BELT D352160

　　NEW BROWNING 5VX930 358 GRIPNOTCH V-BELT 93X5/8 IN D311845

　　NEW GATES 77622327 T10-1960-25 SYNCHRO-POWER TIMING 1960X25MM BELT D322821

　　NEW GATES A44 HI-POWER II V80 46IN LONG 1/2IN WIDE V-BELT D416319

　　NEW GOODYEAR FHP 5L560 V-BELT 56X21/32 IN BELT D297349

　　NEW INTRALOX RAISED RIB 182X41-1/2 IN CONVEYOR BELT D500021

　　NEW GATES 1040-8MGT-20 POWERGRIP GT2 1040MM 20MM 8MM TIMING BELT D500504

　　NEW GOODYEAR 3VX900 HY-T WEDGE 90 IN 3/8 IN V-BELT BELT D425500