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Vonroll

Indus­tri­al machines

Our inno­va­ti­ve com­po­si­tes make the difference

App­li­ca­ti­on-cen­te­red solu­ti­ons

In lar­ge indus­tri­al instal­la­ti­ons, it is often small parts made of com­po­si­te mate­ri­als that have a cri­ti­cal impact on suc­cess. The more pre­cise­ly they are adap­ted to the spe­ci­fic app­li­ca­ti­on, the bet­ter they per­form. Von Roll makes maxi­mum per­for­mance pos­si­ble: We com­bi­ne the mecha­ni­cal, ther­mal, and electri­cal pro­per­ties of our mate­ri­als so intel­li­gent­ly that your machi­nes run at full speed — and for the long term.

Our solu­ti­ons for indus­tri­al equip­ment are avail­ab­le as lami­na­tes, semi-finis­hed pro­ducts, prep­regs, tubes or machined parts. Wel­co­me to a world of possibilities!

High-tech for machi­ne and equip­ment manufacturers

The app­li­ca­ti­ons for com­po­si­tes in machi­ne and equip­ment engi­nee­ring are very diver­se. The­re­fo­re, we tailor our solu­ti­ons to your indi­vi­du­al needs. Wha­te­ver you have in mind: You bene­fit from the high qua­li­ty of our pro­ducts, which are cha­rac­te­ri­zed by high mecha­ni­cal, ther­mal and che­mi­cal resis­tance, fla­me-retar­dant or anti-fric­tion pro­per­ties as well as their low weight. Depen­ding on the app­li­ca­ti­on, our solu­ti­ons are also halogen-free.

Choo­se reli­able Von Roll high-tech pro­ducts — avail­ab­le in dif­fe­rent con­fi­gu­ra­ti­ons as tubes, lami­na­tes, and machined parts.

Von Roll vanes and bla­des for vacu­um pumps or air com­pres­sors fea­ture extre­me­ly low fric­tion, a low coef­fi­ci­ent of ther­mal expan­si­on, very tight tole­ran­ces, mecha­ni­cal strength at ele­va­ted tem­pe­ra­tures, and che­mi­cal resistance.

Our Vetro­ni­te® vanes and bla­des are used in oil-lub­ri­ca­ted rota­ry vane pumps. In our high-end pro­ducts AR 600 P01, AR 600 T23 and ACG 600 T23, drop lub­ri­ca­ti­on is suf­fi­ci­ent to achie­ve very long ser­vice lives.

By con­trast, spe­cial Cane­vas­i­te® gra­des ensu­re long ser­vice life in pneu­ma­tic motors and com­pres­sors — e.g. the pro­ducts FF 5964 and VRI-BAT for oil-lub­ri­ca­ted app­li­ca­ti­ons and FF-PTFE for dry-running.

High-pre­cisi­on ball bea­ring cages — for examp­le in den­tal drills — have to with­stand both vibra­ti­ons cau­sed by very high rota­tio­nal speeds as well as seve­re che­mi­cal stress due to sterilization.

We offer spe­cial cot­ton phe­n­o­lic pro­ducts (Cane­vas­i­te® VRI-BAT or FF-5964) for ball bea­rings and meet the hig­hest requi­re­ments in terms of wear resis­tance and machi­na­bi­li­ty here — espe­cial­ly for very small ball bea­ring cages.

To ope­ra­te the super­con­duc­ting magne­tic coils in a sta­ble sta­te, nuclear magne­tic reso­nance spec­tro­scopes have to meet com­plex requi­re­ments. For examp­le, the was­te heat of the spec­tro­scope should be effi­ci­ent­ly dis­si­pa­ted while the coils are kept at cryo­ge­nic tem­pe­ra­tures. Here, manu­fac­tu­rers of NMR equip­ment bene­fit from our machined parts made from Vetro­ni­te® EGS102 or Cane­vas­i­te® PF CC 201.

Some gra­des of our Vetro­ni­te® pro­ducts have been spe­ci­fi­cal­ly deve­lo­ped for app­li­ca­ti­ons at extre­me­ly low tem­pe­ra­tures. They can with­stand tem­pe­ra­tures as low as -270 °C. The­se solu­ti­ons have been in suc­cess­ful use for years alrea­dy — and excel through their com­bi­na­ti­on of opti­mal func­tion and high performance.

Insu­la­ti­on for high tem­pe­ra­tu­re equipment

Indus­tri­al sys­tems ope­ra­ting under very high tem­pe­ra­tures requi­re reli­able ther­mal pro­tec­tion. Redu­cing los­ses due to radi­ant heat also lowers ener­gy con­sump­ti­on. In turn, redu­cing ope­ra­ting cos­ts and incre­a­sing the sus­taina­bi­li­ty of your manu­fac­tu­ring processes.

To effi­ci­ent­ly ope­ra­te hea­ted pres­ses, pres­su­re-resistant insu­la­ti­on pro­ducts are cri­ti­cal. Our machined insu­la­ti­on inserts effi­ci­ent­ly sepa­ra­te hot and cold parts of the press. High-qua­li­ty insu­la­ti­on gua­ran­tees not only gre­at ener­gy effi­ci­en­cy, but also opti­mal func­tio­n­a­li­ty of the equip­ment. The result: your plant deli­vers con­sist­ent­ly high-qua­li­ty pro­ducts throughout the ent­i­re life cycle.

We adapt our pro­ducts to your spe­ci­fied shape and thickness.

To redu­ce ener­gy cos­ts and at the same time impro­ve the qua­li­ty of the pres­sed pro­ducts, good ther­mal insu­la­ti­on of the press is vital.

Our pres­su­re- and tem­pe­ra­tu­re-resistant insu­la­ti­on pla­tes redu­ce radia­ti­ve heat los­ses, mini­mi­ze ther­mal stress in the press, and allow lon­ger main­ten­an­ce intervals.

The supe­ri­or machi­na­bi­li­ty of the mate­ri­al also ensu­res excep­tio­nal thic­kness tole­ran­ces and high parallelism.

  • In metal smel­ters, for examp­le, alu­mi­num is elec­tro­ly­ti­cal­ly redu­ced with a very high direct cur­rent (> 600 kA). The pro­cess pla­ces high deman­ds on pro­tec­ting workers from arcing and other electri­cal risks, opti­mi­zing ener­gy con­sump­ti­on, and avoiding downtime.
  • Our com­po­si­tes accom­plish the­se tasks by com­bi­ning sui­ta­ble tem­pe­ra­tu­re-resistant resins with glass, mica, or other sup­port struc­tures. This results in excel­lent electri­cal and ther­mal insu­la­ti­on, gre­at com­pres­si­ve strength at ele­va­ted tem­pe­ra­tures, good che­mi­cal resis­tance — and thus over­all hig­her long-term per­for­mance of the smelter.

Doc­tor bla­des for the paper indus­try

Doc­tor bla­des are used to clean the cylin­ders in paper machi­nes during the paper­ma­king pro­cess. We offer doc­tor bla­des in prac­ti­cal­ly all pos­si­ble mate­ri­al com­bi­na­ti­ons. The choice of mate­ri­al is depen­dent on which com­bi­na­ti­on is best sui­ted for the par­ti­cu­lar posi­ti­on and func­tion wit­hin the machine.

As an expert in com­po­si­te mate­ri­als, we cover the com­ple­te ran­ge — and can respond with fle­xi­bi­li­ty to spe­cial requests. Thus, we can rea­li­ze non-stan­dard dimen­si­ons as well as arbi­tra­ry glass-car­bon com­bi­na­ti­ons (e.g. 3C solutions).

Our doc­tor bla­des are gent­le on the cylin­der sur­faces and achie­ve opti­mum clea­ning results. High tem­pe­ra­tu­re resis­tance, che­mi­cal, and mecha­ni­cal resi­li­en­ce are key to very low mate­ri­al wear.

Due to a spe­cial high-tem­pe­ra­tu­re resin, our stan­dard Vetro­nit® doc­tor bla­des fea­ture high mecha­ni­cal sta­bi­li­ty, gre­at tem­pe­ra­tu­re, and wear resistance.

The bla­des are all-round talents and can be used at all posi­ti­ons of the paper machi­ne — even in the chal­len­ging dry­ing section.

We adapt our hybrid bla­des to the exact requi­re­ments of our cus­to­mers by manu­fac­tu­ring bla­des with various num­bers of car­bon lay­ers. The­se pro­ducts are very per­for­mant, offer high mecha­ni­cal and che­mi­cal resis­tance and have excel­lent wear pro­per­ties — long dura­bi­li­ty with strong clea­ning performance.

Our ran­ge of high-per­for­mance car­bon bla­des for spe­cial requi­re­ments is cha­rac­te­ri­zed in par­ti­cu­lar by a very high mecha­ni­cal stiff­ness. This makes the­se bla­des ide­al for app­li­ca­ti­ons that requi­re maxi­mum clea­ning per­for­mance — such as in the dry­ing sec­tion of the paper machi­ne. Through redu­ced con­ta­ct pres­su­re, they also enab­le a very eco­no­mi­c­al ope­ra­ti­on of the machine.

Our abra­si­ve bla­des ensu­re maxi­mum clea­ning per­for­mance even in the most deman­ding sec­tions through the addi­ti­on of sui­ta­ble abra­si­ves. To ensu­re that our cus­to­mers do not have to make any com­pro­mi­ses, we manu­fac­tu­re the bla­des in all stiff­ness clas­ses — right up to an all-car­bon blade.

Cli­ni­cal pre­cisi­on for medi­cal devices

The tech­ni­cal requi­re­ments for medi­cal devices and equip­ment have incre­a­sed rapidly in the past deca­de. Take scan­ners, for examp­le: they must have pre­cise inter­nal tem­pe­ra­tu­re con­trol, avoid vibra­ti­on, and deli­ver top marks in terms of per­for­mance, fire pro­tec­tion, and X‑ray resis­tance. Our high-per­for­mance pro­ducts gua­ran­tee that the­se spe­ci­fi­ca­ti­ons are met. They are suc­cess­ful­ly used by well-known manu­fac­tu­rers for good reason.

Our spe­cial pro­ducts for MRI scan­ners are cha­rac­te­ri­zed by their excel­lent ther­mal con­duc­ti­vi­ty (Vetro­ni­te® EGS 619 HTC) and also meet the hig­hest safe­ty requi­re­ments in terms of fire pro­tec­tion (UL 94 VO). The dis­si­pa­ti­on of excess heat makes the scan­ner more effi­ci­ent and dura­ble while also incre­a­sing the patient’s comfort.

We offer spe­cial com­po­si­te mate­ri­als for the use in devices with X‑ray radia­ti­on (e.g. Vetro­ni­te®, Dur­a­pol®, Sami­ca­ni­te®, etc.). Our solu­ti­ons resist X‑ray radia­ti­on, have high ther­mal resis­tance and pro­vi­de good electri­cal insulation.

Von Roll part­ners with lea­ding medi­cal tech­no­lo­gy manu­fac­tu­rers. Our solu­ti­ons are key to the insu­la­ti­on and per­for­mance of gra­di­ent coils.

Con­stant Gen­ti­le, Com­po­si­tes Expert

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