News from hotset

Often more targeted and more energy-efficient than gas

En­er­gy-ef­fi­cient, mass-op­ti­mized and very pre­cise­ly con­trol­lable: com­plex P‑System heat­ing plate by hotset for large sur­face heating. 
In the course of the cur­rent de­bate on en­er­gy prices, many man­u­fac­tur­ing com­pa­nies are cur­rent­ly chang­ing their gen­er­a­tion of process heat. Where gas-fired sys­tems dom­i­nat­ed the scene for decades, elec­tric di­rect heat­ing sys­tems are now in­creas­ing­ly tak­ing over. The ther­mo­dy­nam­ics spe­cial­ist hotset sup­ports this change with en­er­gy-ef­fi­cient high-tech so­lu­tions that can be in­tel­li­gent­ly con­trolled and can sig­nif­i­cant­ly im­prove the sus­tain­abil­i­ty of many pro­duc­tion process­es. A vivid ex­am­ple of this is the use of the Ger­man company’s heat­ing plate sys­tems, which are de­signed to suit cus­tomers and ap­pli­ca­tions. The ther­mo­dy­nam­ics and tem­per­a­ture con­trol en­gi­neers at hotset cur­rent­ly have their hands full. As many man­u­fac­tur­ing com­pa­nies are ques­tion­ing their pre­vi­ous­ly gas- or steam-based process heat gen­er­a­tion due to the in­creas­ing pres­sure on en­er­gy prices, they are al­so turn­ing to the pos­si­bil­i­ties of mod­ern elec­tric heat­ing and cool­ing tech­nol­o­gy. hotset is an ex­treme­ly at­trac­tive tech­nol­o­gy part­ner in this field, not on­ly with its wide range of tem­per­a­ture con­trol chan­nels, heat­ing el­e­ments and sen­sors, but above all with its ther­mo­dy­nam­ic sys­tem so­lu­tions. “The K trade fair showed that in par­tic­u­lar our P‑Systems have a high rel­e­vance for the en­er­gy tech­nol­o­gy tran­si­tion of com­pa­nies. These are cus­tomer-spe­cif­ic and in­di­vid­u­al­ly de­signed hot plate so­lu­tions that can be used to heat or warm sur­faces ho­mo­ge­neous­ly, pre­cise­ly and en­er­gy-ef­fi­cient­ly”, says hotset sales man­ag­er and proxy hold­er Sven Braatz. hotset had orig­i­nal­ly de­vel­oped these di­rect heat­ing sys­tems for ther­mal process con­trol in pro­cess­ing of plas­tic and pack­ag­ing films. Mean­while, how­ev­er, thanks to their flex­i­bil­i­ty, speed and con­trol ac­cu­ra­cy, they al­so make a de­ci­sive con­tri­bu­tion to the re­al­iza­tion of re­source-sav­ing CO2-re­duced and cli­mate-neu­tral val­ue chains in nu­mer­ous oth­er man­u­fac­tur­ing ar­eas. For ex­am­ple, they make it pos­si­ble to move away from gas-based en­er­gy sup­plies in bond­ing and vul­can­iza­tion tech­nol­o­gy, wood­work­ing, the pro­duc­tion of com­pos­ite ma­te­ri­als and large-area molds, as well as in glass tech­nol­o­gy, flu­id tech­nol­o­gy and me­dia guidance. 
Sven Braatz Vetriebsleiter
Sven Braatz: “Our P‑Systems en­able in­tel­li­gent pro­vi­sion of process heat in many ap­pli­ca­tions of man­u­fac­tur­ing, join­ing, shap­ing and sur­face tech­nol­o­gy. They of­ten prove to be sig­nif­i­cant­ly more tar­get­ed and en­er­gy-ef­fi­cient than gas firing.” 

Direct, accurate and efficient

Un­der the um­brel­la term “P‑System”, hotset im­ple­ments a whole range of mod­ern hot plate so­lu­tions, the di­men­sions, de­sign and con­fig­u­ra­tion of which are al­ways op­ti­mal­ly matched to the in­di­vid­ual spec­i­fi­ca­tions of cus­tomers in me­chan­i­cal and plant en­gi­neer­ing. “Deep-draw­ing plas­tic trays, af­ter all, places com­plete­ly dif­fer­ent de­mands on the de­sign and per­for­mance of heat­ing plate sys­tems than their use in vul­can­iz­ing press­es, bond­ing process­es or oth­er process­es. Based on our ex­per­tise, the com­pe­ten­cies of our en­gi­neer­ing and our flex­i­ble man­u­fac­tur­ing or­ga­ni­za­tion, we can im­ple­ment the ide­al P‑system so­lu­tion for al­most any sur­face tem­per­a­ture con­trol task”, em­pha­sizes Sven Braatz. A ma­jor strength of the hotset heat­ing plates is the very pre­cise­ly ad­justable tem­per­a­ture con­trol. It en­sures that the tem­per­a­ture is dis­trib­uted and trans­ferred to the sur­faces of molds, work­pieces and ma­te­ri­als with a very high de­gree of ho­mo­gene­ity. This of­fers the user a high lev­el of process re­li­a­bil­i­ty. A de­ci­sive fac­tor for the high en­er­gy ef­fi­cien­cy is added by the fact that the hotset en­gi­neer­ing has im­ple­ment­ed a con­sis­tent re­duc­tion of the heat­ed mass­es in the de­sign of the heat­ing plates. 
The P-System is used for thermoforming or thermoforming of blister packs and plastic trays
The cus­tomiza­tion of the P‑System sur­face heat­ing plates by hotset ranges from the de­sign of the heat trans­fer plate to the se­lec­tion of heat­ing el­e­ments, in­su­la­tion plates and in­stal­la­tion space plates to the de­sign of the cov­er plate. 

System change made to measure

De­pend­ing on the de­sign, the P‑Systems from hotset can be op­er­at­ed on sup­ply volt­ages from 12 to 400 volts and of­fer sur­face heat­ing out­puts of up to sev­er­al kilo­watts. They are pro­vid­ed as plug-in so­lu­tions ready for as­sem­bly, in­clud­ing all func­tion­al com­po­nents for in­te­gra­tion in ex­ist­ing pro­duc­tion struc­tures – al­so in feed­back sys­tems and con­trol en­gi­neer­ing. Cus­tomiza­tion is not on­ly at sys­tem lev­el, but en­com­pass­es all in­di­vid­ual pow­er mod­ules. In con­crete terms, this means that a heat­ing plate can be round, rec­tan­gu­lar or have any oth­er ba­sic shape, and its di­men­sions can reach sev­er­al square me­ters. The de­sign of the in­su­lat­ing pan­el, as well as the de­sign of any ad­di­tion­al in­stal­la­tion space plates and the cov­er with the plug-in con­tacts and fas­ten­ing el­e­ments for in­stal­la­tion, al­so fol­low the wish­es of the cus­tomers. In the se­lec­tion of heat­ing el­e­ments – a cen­tral as­pect in the in­di­vid­u­al­iza­tion of the heat­ing plates – the flex­i­ble tubu­lar heat­ing el­e­ments of the hot­flex prod­uct line in par­tic­u­lar play a de­ci­sive role. They can be freely laid by hand in any di­rec­tion and en­able con­tour-spe­cif­ic and pre­cise­ly tar­get­ed tem­per­a­ture con­trol. “Fur­ther­more, we can in­stall sen­sors to pro­tect against overtem­per­a­tures, and in ad­di­tion to an­ti­sta­t­ic, non-stick and asep­tic coat­ings for the plate sur­faces, we al­so of­fer coat­ings for in­creased wear and cor­ro­sion pro­tec­tion, as well as the op­tion of in­di­vid­ual struc­tur­ing and con­tour­ing. Last, but not least, we are al­so able to im­ple­ment spe­cial re­quire­ments for slid­ing be­hav­ior, sur­face hard­ness, chem­i­cal re­sis­tance, elec­tri­cal con­duc­tiv­i­ty and ease of clean­ing”, says Sven Braatz. 

Time to change – shortage as a chance

De­spite the lim­it­ed room for ma­neu­ver left to medi­um-sized in­dus­tri­al com­pa­nies by the gas short­age and the re­sult­ing price pres­sure, more and more com­pa­nies are see­ing the cur­rent sit­u­a­tion as an op­por­tu­ni­ty to switch to al­ter­na­tive en­er­gies and cli­mate-neu­tral process­es. They are re­ceiv­ing fi­nan­cial sup­port from pub­lic fund­ing pro­grams that are cur­rent­ly be­ing launched in many places. They make it eas­i­er es­pe­cial­ly for small and medi­um-sized com­pa­nies to set up re­source-con­serv­ing and sus­tain­able pro­duc­tion en­vi­ron­ments that re­duce CO2 emis­sions and low­er the com­pa­nies’ eco­log­i­cal foot­print. “At op­er­a­tional lev­el, it’s then a mat­ter of con­crete tech­no­log­i­cal im­ple­men­ta­tion. This is where, among oth­er things, in­no­v­a­tive heat­ing and tem­per­a­ture con­trol so­lu­tions are then called for, such as our P‑System for in­tel­li­gent pro­vi­sion of process heat in man­u­fac­tur­ing, join­ing, shap­ing and sur­face tech­nol­o­gy ap­pli­ca­tions. They of­ten prove to be sig­nif­i­cant­ly more tar­get­ed and en­er­gy-ef­fi­cient than gas fir­ing”, says Sven Braatz. 
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