退火是將鋼材或各種金屬機(jī)械零件加熱到適當(dāng)溫度，保溫一段時間，然后緩慢冷卻，可以獲得接近平衡狀態(tài)組織的熱處理工藝。其目的是為了細(xì)化組織、降低硬度、改善機(jī)械切削加工性能及去除內(nèi)應(yīng)力。在機(jī)械制造行業(yè)，退火通常作為工件制造加工過程中的預(yù)備熱處理工序。

廈門仲鑫達(dá)自動化設(shè)備有限公司

：李素云

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　　強(qiáng)對流電加熱罩式光亮退火藍(lán)化爐主要適用于黃銅帶、青銅帶、異型銅帶、紫銅帶、各類精密銅管、造幣材料、精密帶鋼、復(fù)合帶材、軟磁和硬磁合金、銅合金線材、標(biāo)準(zhǔn)件材料、不銹鋼帶等幾十種材料。單座鐘罩爐大裝料直徑3.2M，裝料高度高達(dá)4M，大裝爐量80T?？紤]到一些小型金屬加工企業(yè)無燃?xì)鈦碓?、無煤炭來源，所以該爐采用電阻帶的加熱方式，與燃?xì)庹质酵嘶馉t比較起來運(yùn)行成本相對稍高，生產(chǎn)周期相對長一點(diǎn)。但是，其設(shè)備配置簡單，運(yùn)行可靠，維修方便，退火工藝各階段溫度可設(shè)定，能滿足各種金屬的退火需要。

　　該電加熱罩式退火爐采用單套控制系統(tǒng)獨(dú)立控制雙爐座加熱退火爐，爐體本身使用了輕質(zhì)節(jié)能材料，結(jié)構(gòu)設(shè)計(jì)合理，保溫效果好，當(dāng)電阻帶溫度達(dá)到1000℃時，加熱罩外殼只是環(huán)境溫度加上40℃。料室保護(hù)氣采用氮?dú)錃猓沟帽煌嘶鸩牧显诟邷赝嘶馉顟B(tài)下無氧化、無脫碳。采用抽真空系統(tǒng)節(jié)約大量的保護(hù)氣體和電源能耗。控制系統(tǒng)采用單套西門子S7-200系列PLC全自動控制兩套加熱爐的升溫、保溫、冷卻過程，采用靈敏度高的熱電偶分別采集爐體外罩和內(nèi)罩的溫度，根據(jù)工藝設(shè)定的升溫、保溫時的溫度值PID調(diào)節(jié)加熱器的工作狀態(tài)和加熱頻率，保證保溫溫度的恒定，并配有8寸的觸摸屏，可以生動形象地對各個爐座的升溫、保溫、冷卻過程實(shí)行了全方位的控制與管理，為用戶生產(chǎn)合格的產(chǎn)品提供可靠的保障。

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　　AMMERAAL BELTECH 40023 SS CLIPPER LACE 102-1/2X3 IN BROWN CONVEYOR BELT D503115

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　　NEW REXNORD LF5936-15 MATTOP CHAIN 5FT CONVEYOR 60X15 IN BELT D334923

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

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　　NEW GATES B48 HI-POWER II 51X21/32IN V-BELT BELT D400569

　　NEW REXNORD 5935 10FT MATTOP CHAIN CONVEYOR 120X25-1/4 IN BELT D313309

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　　GOODYEAR 4L440 HY-T PLUS MATCHMAKER ORS/SC A42 44 IN 1/2 IN V-BELT BELT B436417

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　　REXNORD 820 TABLETOP CHAIN 148-1/2 IN 4-1/2 IN 1-1/2 IN CONVEYOR BELT D501921

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　　FENCO CLEAN TOP 10FT LENGTH 7-1/2IN WIDTH CONVEYOR BELT D387874

　　GATES 2610 4L610 HI POWER II TRUFLEX TRANSMISSION V-BELT 61X1/2 IN BELT B254391

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　　NEW AMMERAAL BELTECH 119 IN 10 IN CONVEYOR BELT D502004

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　　NEW GOODYEAR 900H300 PD TIMING BELT 90X3IN D233373

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

　　NEW GOODYEAR B180 MATCHMAKER 183X21/32IN V-BELT BELT D409104

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　　NEW JOHN DEERE 4612763 TRACTOR 50 IN 5/8 IN V-BELT BELT B491769

　　NEW GOODYEAR 85570 INSTA-POWER 5L570 57 IN 5/8 IN V-BELT BELT B478111

　　NEW REXNORD S815 TABLETOP CHAIN 186 IN 7-1/2 IN 1-1/2 IN CONVEYOR BELT D501139

　　NEW HISPEED 2D-01C-0401 1099MM 300MM ENDLESS CONVEYOR BELT D411155

　　NEW OPTIBELT B75 5L780 78 IN 1/2 IN V-BELT BELT B492350

　　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

　　NEW NA 120 PVC 131X14 IN CONVEYOR BELT D418635

　　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