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China factory 3V Series Cast Iron Four-Groove Sheaves with Split Taper Bushings

3V Collection Forged Iron Four-Groove Sheaves with Break up Taper Bushings

3V sequence 4-groove taper bushed sheaves are created for 3V, 3VX, banded 3V, and banded 3VX belts. They selection from 2.65″ to 33.fifty” in diameter. Dependent on the sheave size, they are made to use G, H, P1, Q1, or R1 break up-taper bushings, which we also inventory. Most of our 4-groove 3V split taper sheaves are created from a high-power quality 35 solid iron, are phosphate-coated, and are painted for anti-corrosion. All of them are well balanced at the manufacturing facility for smooth equipment procedure.

4-Groove 3V Break up Taper Sheave Dimensions Chart

V-belt Pulley American Stanard — 3v Sequence

The American common pulley is made according to the American ANSI standard. Its major material is grey iron, which is appropriate for 2L, 3L, 4L, 5L, A, B, C, D, 3V, 5V, 8V belts, J, L, and M multi-ribbed belts. American regular pulley solution types: AK, BK, TA, TB, TC, B, C, D, 3V, 5V, 8V, J, L, M, VP, VL, VM. Taper bushing pulleys are utilised with STB, QD, or TB taper bushings.

Odgovarajući klinasti remen serije 3V, 3VX

(1) Klinasti remeni 3V-sekvence

Traditional 3V-Sequence V-Belts have a .38″ prime-width, .31″ thickness, and a 38° angle, which also classifies them as a deep-wedge v-belt. 3V collection belts are created to be more compact with a lot more drive capacity than the standard 40° angle v-belts. Simply because of their lengthy-expression good results and affordable procedure, they are also a single of the industry’s most broadly utilized belt series. The top quality 3V-series v-belts we offer are made underneath ISO 9001 requirements and ARPM Standards they are oil and heat-resistant and right interchange with other makes. 3V belts are built of a all-natural rubber compound with polyester cords and use cotton with a polyester mix cover for substantial durability. 3V sequence belts are used in most common weighty-duty industrial programs along with Heating, air flow, air conditioning (HVAC), garden and backyard garden products, and agricultural gear. We also stock a comprehensive line of substantial-electricity v-belts and accompanying v-belt pulleys/ sheaves.

(2) V-pojasni klinasti remeni od 3V

3V-collection v-belts are a part of the “classic” lineup of v-belts due to the fact they are a single of the oldest fashion belts employed and 1 of the most typical. Our belts are made adhering to ARPM expectations and offer you exceptional strength, sturdiness, and overall performance. 3V-collection v-belts have a .38″ best-width per belt (band/ rib).

(3) 3VX nazubljeni klinasti remeni

3VX cogged v-belts are designated by possessing a .38″ best-width and .31″ thickness. Our cogged 3VX v-belts are produced with uncooked-edge sidewalls to eradicate slippage and improve efficacy, saving procedure costs. They are also produced by ARPM specifications and are oil and warmth-resistant. 3VX belts are made from a large-quality chloroprene compound with substantial-energy polyester chords and have a prime fabric built from a cotton polyester blend. Aside from the performance, durability, and energy cost savings positive aspects, our cogged v-belts will operate with current stand pulleys/ sheaves. You should speak to us to get a estimate on 3VX cogged v-belts or pulleys, and we will be happy to aid you.

(4) 3VX trakasti nazubljeni klinasti remeni

All of our v-belts are manufactured by ARPM technical specs and offer exceptional functionality and toughness. Thanks to their layout, banded 3VX cogged v-belts operate smoother, far more peaceful, and generally outlast a standard banded C v-belt. They also provide a higher effectiveness than common banded v-belts, which means less energy costs.

Connected Break up Taper Bushings

Split taper bushings are among the most widespread bushings used due to their high integral power, simplicity of installation and uninstall, and higher holding electrical power for productively coupling a shaft on to a travel or loafer part. Split taper bushings are utilized in a broad variety of sheaves, conveyor pulleys, and sprockets. Our high-top quality split taper bushings are created from high-quality metal or cast and interchange with any other model, made as a flanged bushing with a tapered barrel hooked up that consists of 1 slit on each facet. We inventory break up taper bushings ranging from the G-sequence to W2-collection and in inch and metric bore sizes that range from .375″ up to 7.438″. For additional details or to get a estimate on our high-strength split taper bushings, please get in touch with our customer support team, and we will be happy to aid you.

Can a Taper Sleeve Be Bought Individually for a Taper-sleeve Pulley?

The tapered sleeve is a connecting assembly in between the set up shaft and the pulley. Compared with the traditional pulley, the taper sleeve pulley has several advantages and is slowly currently being extensively employed. Can a tapered sleeve be obtained separately for the taper sleeve pulley?

The tapered sleeve pulley is a new mechanical transmission connecting part generally employed in European and American nations. A essential connects the internal gap of the tapered sleeve with the shaft. When the pulley and the shaft are connected, a link physique with an interference suit is formed. The two torque and drive are transmitted by way of keys.

Owing to its special removable physical composition, the tapered sleeve pulley increases the total use effectiveness and minimizes the issues of installation and disassembly. In the earlier, if the classic pulley was ruined, it could only be scrapped altogether, and it would cost a good deal to exchange it with a new one. The tapered sleeve pulley In the situation of wear and tear of the taper sleeve, it is only necessary to substitute the new taper sleeve with the specific specs and parameters. The expense of buying the taper sleeve on your own is considerably reduced than replacing the pulley, which can help save the use and upkeep costs for the business.

HZPT can give substantial-quality taper bushings of numerous kinds and specifications. Enterprises and agents are welcome to purchase taper bushing products individually or in bulk. HZPT taper bushing goods are created of chosen HT250 materials, with high overall hardness and great toughness, which can have big loads. Load, the taper sleeve is pressed and related with the inner taper surface area of the pulley through the 8-diploma outer tapered floor, which drastically increases the centering precision of the transmission components.

Utilization Situation of V-Belt Pulleys and V-Belts

  • Oprema uređaja
  • Drobilice, sjeckalice, lomilice, klasifikatori, tresilice
  • Material conveyor programs
  • Nosači, puhala i ispuhi
  • Pumpe i kompresori
  • Pile za obradu drveta, glodalice, blanje, strugovi

Tehnološka obrada

Poslovni profil

HZPT is a expert producer of mechanical elements. Our major merchandise are timing pulleys, sprockets, taper sleeves, coupling, and other transmission areas. Its products are largely exported to Germany, Britain, France, and other European nations around the world, with an yearly export price of 18 million U.S. pounds, accounting for more than 65% of the overall output. The yearly output benefit reached 200 million yuan.

Our products all undertake worldwide, European, and American sophisticated industrial standards, use specific and great processing tools, build realistic production technology, implement successful and versatile management methods, and enhance the quality administration technique to ensure that the merchandise top quality is great and the value is reasonably priced.

Our manufacturing facility adheres to the company principle of “top quality: the basis of organization survival, integrity: the basis of company development, services: the resource of business growth, lower price: the instrument of organization development.” We are always searching ahead to the presence of consumers at property and overseas, seeking win-win advantages and joint trigger improvement.

Skladišna zaliha

The warehouse handles an region of 5000 square meters and can supply all types of normal models A/B/C/Z, with comprehensive amount and huge amount in inventory. Meanwhile, it accepts all sorts of non-normal customization for drawing generation. The day-to-day manufacturing capacity is 10 tons, and the delivery time is quick.

Pakiranje i dostava

Knowledgeable Workers Packing Pulleys Carefully, safe wooden situations maintain parts from becoming wounded or damaged during sea or air cargo.

Pitanja i odgovori

Q1. Are you a maker or a buying and selling business?

O: Mi smo proizvođač i tvrtka za ulaganje.

P2. Koji je vaš uzorak plana?

A: We can provide the sample if we have finished components in inventory, but clients need to shell out for the sample cost and transport fee.

Q3. Možete li proizvesti prema uzorcima?

A: We can make electrical power transmission areas according to your samples or specialized drawings. We can construct the molds and fixtures.

Q4. Do you check all your products prior to shipping and delivery?

A: Yes, we have 100% check prior to shipping.

P5. Možete li prilagoditi remenice?

O: Da, ne zaboravite nam poslati svoj crtež za točnu ponudu.

P6. Koliko traje vaše vrijeme otpreme i dostave i tereta?

A: 1. Sample Lead-occasions: 10-20 times.

2. Creation Direct-times: thirty-forty five days soon after the order is confirmed.

Q7. How do you make our enterprise a long-phrase and great partnership?

A: 1. We maintain great top quality and competitive price to ensure our customers’ positive aspects

2. We regard each client as our friend and sincerely do company and make close friends with them, no matter exactly where they come from.

P8: Koje su vaše prednosti?

jedan. Najkonkurentniji trošak i izvrsna kvaliteta.

two. Best specialized engineers give you the best assist.

3. OEM je dostupan.

Dodatne informacije

Veličina Tip čahure Promjer koraka Vanjski promjer Tip (OL) (L) (P) (C) (H) (F) (G) (X) (E) Težina kotura (LBS)
4G3V26 G 2.60 " 2.65 4 2 13 / 32 1 5 / 16 1 7 / 32 2 1 29 / 32 7 / 16 1 1 / 2 3 / 16 1.4
4G3V28 G 2.75 " 2.80 " 4 2 13 / 32 1 5 / 16 1 7 / 32 2 1 29 / 32 7 / 16 1 1 / 2 3 / 16 1.8
4H3V30 G 2.95 " 3.00 " 4 2 13 / 32 1 5 / 16 1 7 / 32 2 1 29 / 32 7 / 16 1 1 / 2 3 / 16 2.1
4H3V31 H 3.10 " 3.15 " 4 2 13 / 32 1 1 / 4 5 / 16 31 / 32 2 1 / 2 1 29 / 32 7 / 16 31 / 32 3 / 16 1.8
4H3V33 H 3.30 " 3.35 " 4 2 13 / 32 1 1 / 4 5 / 16 31 / 32 2 1 / 2 1 29 / 32 7 / 16 31 / 32 3 / 16 2.3
4P3V36 P1 3.60 " 3.65 " 5 2 25 / 32 1 15 / 16 5 / 8 19 / 32 3 1 29 / 32 - 1 5 / 16 1 / 4 2.8
4P3V41 P1 4.07 " 4.12 " 5 2 25 / 32 1 15 / 16 5 / 8 19 / 32 3 1 29 / 32 - 1 5 / 16 1 / 4 3.7
4P3V45 P1 4.45 " 4.50 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 4.4
4P3V47 P1 4.70 " 4.75 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 5.1
4P3V50 P1 4.95 " 5.00 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 5.8
4P3V53 P1 5.25 " 5.30 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 6.5
4P3V56 P1 5.55 " 5.60 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 8.1
4Q3V60 Q1 5.95 " 6.00 " 13 2 25 / 32 2 1 / 2 19 / 32 0 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 9.0
4Q3V65 Q1 6.45 " 6.50 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 11.1
4Q3V69 Q1 6.85 " 6.90 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 12.9
4Q3V80 Q1 7.95 " 8.00 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 13.1
4Q3V106 Q1 10.55 " 10.60 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 15.9
4Q3V140 Q1 13.95 " 14.00 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 25.4
4R3V190 R1 18.95 " 19.00 " 16 3 5 / 32 2 7 / 8 63 / 64 3 / 64 5 3 / 8 1 29 / 32 7 / 8 2 9 / 32 37.3
4R3V250 R1 24.95 " 25.00 " 16 3 5 / 32 2 7 / 8 63 / 64 3 / 64 5 3 / 8 1 29 / 32 7 / 8 2 9 / 32 60.0
4R3V335 R1 33.45 " 33.50 " 16 3 5 / 32 2 7 / 8 63 / 64 3 / 64 5 3 / 8 1 29 / 32 7 / 8 2 9 / 32 88.0
Veličina Tip čahure Promjer koraka Vanjski promjer Tip (OL) (L) (P) (C) (H) (F) (G) (X) (E) Težina kotura (LBS)
4G3V26 G 2.60 " 2.65 4 2 13 / 32 1 5 / 16 1 7 / 32 2 1 29 / 32 7 / 16 1 1 / 2 3 / 16 1.4
4G3V28 G 2.75 " 2.80 " 4 2 13 / 32 1 5 / 16 1 7 / 32 2 1 29 / 32 7 / 16 1 1 / 2 3 / 16 1.8
4H3V30 G 2.95 " 3.00 " 4 2 13 / 32 1 5 / 16 1 7 / 32 2 1 29 / 32 7 / 16 1 1 / 2 3 / 16 2.1
4H3V31 H 3.10 " 3.15 " 4 2 13 / 32 1 1 / 4 5 / 16 31 / 32 2 1 / 2 1 29 / 32 7 / 16 31 / 32 3 / 16 1.8
4H3V33 H 3.30 " 3.35 " 4 2 13 / 32 1 1 / 4 5 / 16 31 / 32 2 1 / 2 1 29 / 32 7 / 16 31 / 32 3 / 16 2.3
4P3V36 P1 3.60 " 3.65 " 5 2 25 / 32 1 15 / 16 5 / 8 19 / 32 3 1 29 / 32 - 1 5 / 16 1 / 4 2.8
4P3V41 P1 4.07 " 4.12 " 5 2 25 / 32 1 15 / 16 5 / 8 19 / 32 3 1 29 / 32 - 1 5 / 16 1 / 4 3.7
4P3V45 P1 4.45 " 4.50 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 4.4
4P3V47 P1 4.70 " 4.75 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 5.1
4P3V50 P1 4.95 " 5.00 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 5.8
4P3V53 P1 5.25 " 5.30 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 6.5
4P3V56 P1 5.55 " 5.60 " 13 2 3 / 16 1 15 / 16 1 / 32 0 3 1 29 / 32 5 / 8 1 5 / 16 1 / 4 8.1
4Q3V60 Q1 5.95 " 6.00 " 13 2 25 / 32 2 1 / 2 19 / 32 0 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 9.0
4Q3V65 Q1 6.45 " 6.50 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 11.1
4Q3V69 Q1 6.85 " 6.90 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 12.9
4Q3V80 Q1 7.95 " 8.00 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 13.1
4Q3V106 Q1 10.55 " 10.60 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 15.9
4Q3V140 Q1 13.95 " 14.00 " 13 2 55 / 64 2 1 / 2 43 / 64 5 / 64 4 1 / 8 1 29 / 32 3 / 4 1 3 / 4 9 / 32 25.4
4R3V190 R1 18.95 " 19.00 " 16 3 5 / 32 2 7 / 8 63 / 64 3 / 64 5 3 / 8 1 29 / 32 7 / 8 2 9 / 32 37.3
4R3V250 R1 24.95 " 25.00 " 16 3 5 / 32 2 7 / 8 63 / 64 3 / 64 5 3 / 8 1 29 / 32 7 / 8 2 9 / 32 60.0
4R3V335 R1 33.45 " 33.50 " 16 3 5 / 32 2 7 / 8 63 / 64 3 / 64 5 3 / 8 1 29 / 32 7 / 8 2 9 / 32 88.0

Kako koristiti sustav remenica

Korištenje sustava remenica odličan je način za premještanje stvari po vašem domu, ali kako koristiti sustav remenica? Pogledajmo osnovne jednadžbe koje opisuju sustav remenica, vrste remenica i neka sigurnosna razmatranja pri korištenju remenica. Evo nekoliko primjera. Ne brinite, sve informacije koje trebate pronaći ćete na jednom mjestu!
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Osnovne jednadžbe sustava remenica

Sustav remenica sastoji se od remenica i tetiva. Kada se težina tereta provuče kroz uže, ona klizi kroz utor i završava na drugoj strani. Kada se uteg pomiče, primijenjena sila mora prijeći nx udaljenosti. Udaljenost je u metrima. Ako postoje četiri kolotura, udaljenost koju će uže prijeći bit će 2×24. Ako ima n kolotura, put koji prijeđe uteg bit će 2n – 1.
Mehanička prednost sustava remenica raste s udaljenošću. Što je veća udaljenost na koju se sila primjenjuje, veća je poluga sustava. Na primjer, ako se skup kolotura koristi za podizanje tereta, jedan treba biti pričvršćen za teret, a drugi za postolje. Sam teret se ne miče. Stoga se razmak između blokova mora skratiti, a duljina voda koja kruži između remenica mora se skratiti.
Drugi način razmišljanja o ubrzanju sustava kolotura je razmišljanje o užadima i užadima kao bez mase i trenja. Pod pretpostavkom da su uže i kolotur bez mase, trebali bi imati istu veličinu i smjer gibanja. Međutim, u ovom slučaju kvaliteta žice je varijabla s kojom se ne pretjera. Stoga je vektor napetosti na bloku označen istim nazivom varijable kao i remenica.
Proračun sustava remenica je relativno jednostavan. Može se pronaći pet mehaničkih prednosti sustava remenica. To je zato što je broj užadi koja podupiru teret jednak sili koja djeluje na užad. Kad se svi konopi kreću u istom smjeru, imaju dvije mehaničke prednosti. Alternativno, možete upotrijebiti kombinaciju pomičnih i fiksnih remenica za smanjenje sile.
Pri izračunavanju sila u sustavu remenica, možete koristiti Newtonove zakone gibanja. Drugi Newtonov zakon bavi se ubrzanjem i silom. Četvrti zakon nam govori da su napetost i gravitacija u ravnoteži. Ovo je korisno ako trebate podizati teške predmete. Zakoni gibanja pomažu u izračunima i mogu vam pomoći da bolje razumijete sustave remenica.
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Vrste remenica

Različite vrste remenica obično se koriste za razne svrhe, uključujući podizanje. Neke remenice su fleksibilne, što znači da se mogu slobodno kretati oko središnje osi i mogu mijenjati smjer sile. Neki su fiksni, kao što su šarke, i obično se koriste za teža opterećenja. Drugi su pokretni, kao što su namotana užad. Bez obzira na svrhu, remenice su vrlo korisne za podizanje i spuštanje predmeta.
Koloturnice su uobičajene u mnogim različitim primjenama, od dizala i sustava za podizanje tereta do svjetala i zavjesa. Također se koriste u motorima šivaćih strojeva i kliznim vratima. Garažna i dvorišna vrata često su opremljena remenicama. Penjači po stijenama koriste sustav kolotura za sigurno penjanje po stijenama. Ovi sustavi remenica imaju različite vrste zupčanika koji im omogućuju balansiranje težine i smjera sile.
Najčešći tip remenice je sustav remenica. Sustav remenica koristi mehaničke prednosti za podizanje težine. Smatra se da je Arhimed otkrio remenicu oko 250. pr. na staroj Siciliji. Mezopotamci su također koristili koloture, koristili su užad za podizanje vode i vjetrenjače. Sustavi remenica mogu se pronaći čak iu Stonehengeu.
Druga vrsta remenica naziva se složena remenica. Sastoji se od niza paralelnih remenica koje povećavaju silu potrebnu za pomicanje velikih predmeta. Ova vrsta se najčešće koristi u penjanju i jedrenju, dok se kompozitne remenice mogu naći i u kazališnim zastorima. Ako se pitate koja je razlika između ove dvije vrste remenica, evo kratkog pregleda:

Mehaničke prednosti sustava remenica

Sustavi remenica nude značajne mehaničke prednosti. Sposobnost sustava da smanji napor potreban za podizanje utega povećava se s brojem petlji užeta. Ova prednost proporcionalna je broju petlji u sustavu. Kad bi uže imalo samo jednu petlju, tada bi jedan uteg zahtijevao istu količinu sile za povlačenje. Ali dodavanjem dodatnih ciklusa, potrebna sila će se smanjiti.
Sustav remenica ima prednost mijenjanja smjera sile. To olakšava pomicanje teških predmeta. Dolaze u fiksnoj i mobilnoj izvedbi. Koloturnice se koriste u mnogim inženjerskim aplikacijama jer se mogu kombinirati s drugim mehanizmima. Ako želite znati što remenica može, čitajte dalje! Evo nekoliko primjera. Stoga ćete razumjeti kako se koriste u inženjerstvu.
Jednoradne remenice ne mijenjaju smjer, ali složene remenice mijenjaju smjer. Njihova mehanička prednost je šest. Složeni sustav remenica sastoji se od pomične i nepomične remenice. Mehanička prednost sustava remenica se povećava kako se smanjuje broj pomičnih kotača. Dakle, ako imate dva kotača, potrebna vam je duplo veća sila da podignete istu težinu jer vam je potrebna pomična kolotura.
Mehanička prednost sustava remenica može se maksimalno povećati dodavanjem više remenica ili duljina užeta. Na primjer, ako imate sustav s jednom remenicom, mehanička prednost je jedna od najmanjih. Korištenjem dvije ili tri remenice može se postići do pet puta veća mehanička prednost. Također možete dobiti do deset puta veću mehaničku prednost korištenjem sustava s više remenica.
Upotreba jednog pomičnog sustava remenica također doprinosi mehaničkoj prednosti sustava remenica. U tom slučaju ne morate mijenjati smjer sile da biste podigli uteg. Nasuprot tome, pokretni sustav kolotura zahtijeva da pomaknete uže dalje kako biste generirali istu silu. Korištenje složenog sustava remenica omogućuje vam lako podizanje teških tereta.
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Sigurnosna pitanja pri korištenju sustava remenica

Koloturnice imaju nevjerojatno jedinstvenu strukturu, sastoje se od diska s utorom u sredini i osovine koja prolazi kroz njega. Uže ili uže je pričvršćeno na jedan kraj kolotura koji se okreće kada se primijeni sila. Drugi kraj užeta je pričvršćen za teret. Ova mehanička prednost znači da je mnogo lakše vući predmet pomoću sustava remenica nego podizati isti predmet rukom.
Iako su sustavi remenica uobičajeni dio mnogih proizvodnih procesa, neki poslodavci ne obučavaju svoje radnike da ih pravilno koriste ili ne postavljaju zaštitu kako bi spriječili ozljede. Važno je nositi odgovarajuću osobnu zaštitnu opremu i pridržavati se standardne laboratorijske sigurnosne prakse tijekom aktivnosti sustava remenica. Provjerite jesu li sve potporne strukture dovoljno jake da izdrže težinu i težinu užeta ili užeta. Ako ipak padnete, svakako se odmah obratite svom poslodavcu.

urednik czh 2023-01-03

WLY TRANSMISSION CO., LTD.

POŠTA: wlytransmission@gmail.com

Addr: TieYe Road 9-13 Unit3-2-204

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