{"id":9948,"date":"2025-04-25T01:56:20","date_gmt":"2025-04-25T01:56:20","guid":{"rendered":"https:\/\/www.skf-eu.com\/?post_type=product&p=9948"},"modified":"2025-04-25T01:56:21","modified_gmt":"2025-04-25T01:56:21","slug":"plastic-sliding-linear-bearings","status":"publish","type":"product","link":"https:\/\/www.skf-eu.com\/pt\/produto\/plastic-sliding-linear-bearings\/","title":{"rendered":"Rolamentos deslizantes lineares de pl\u00e1stico"},"content":{"rendered":"

Descri\u00e7\u00e3o geral das chumaceiras de deslizamento lineares em pl\u00e1stico<\/strong><\/h2>\n

Os rolamentos lineares deslizantes de pl\u00e1stico s\u00e3o componentes de movimento linear que utilizam pol\u00edmeros de alto desempenho como pares de fric\u00e7\u00e3o e alcan\u00e7am baixa resist\u00eancia e opera\u00e7\u00e3o silenciosa em virtude das propriedades de lubrifica\u00e7\u00e3o do pr\u00f3prio material. Em compara\u00e7\u00e3o com os rolamentos met\u00e1licos, estes rolamentos t\u00eam uma melhor resist\u00eancia \u00e0 corros\u00e3o qu\u00edmica e n\u00e3o necessitam de lubrificantes externos, o que os torna adequados para condi\u00e7\u00f5es de trabalho dif\u00edceis. Os substratos mais comuns incluem o politetrafluoroetileno (PTFE), o polietileno (PE), o nylon (PA) e o poliuretano (PU).<\/p>\n

\"Plastic<\/p>\n

Par\u00e2metros t\u00e9cnicos dos modelos t\u00edpicos<\/strong><\/h2>\n

O quadro seguinte apresenta os indicadores de desempenho de v\u00e1rios rolamentos deslizantes de pl\u00e1stico de engenharia, abrangendo tipos comuns como o nylon autolubrificante (PA) e o polietileno (PE):<\/p>\n\n\n\n\n\n\n\n\n
Modelo<\/th>\nMaterial de base<\/th>\nGama de temperaturas<\/th>\nCarga limite (N)<\/th>\nCoeficiente de atrito<\/th>\nVelocidade linear admiss\u00edvel (m\/s)<\/th>\nDom\u00ednios aplic\u00e1veis<\/th>\n<\/tr>\n<\/thead>\n
POM-BB<\/td>\nPolioximetileno (POM)<\/td>\n-40\u00b0C ~ 120\u00b0C<\/td>\n50<\/td>\n0.05~0.1<\/td>\n2<\/td>\nMecanismo de carga leve de alta velocidade<\/td>\n<\/tr>\n
PA66-GF<\/td>\nNylon refor\u00e7ado com fibra de vidro<\/td>\n-40\u00b0C ~ 120\u00b0C<\/td>\n100<\/td>\n0.1~0.2<\/td>\n1.5<\/td>\nPe\u00e7as resistentes ao desgaste para cargas m\u00e9dias<\/td>\n<\/tr>\n
PTFE<\/td>\nPolitetrafluoroetileno<\/td>\n-200\u00b0C ~ 260\u00b0C<\/td>\n30<\/td>\n0.05<\/td>\n1<\/td>\nAlta temperatura ou ambiente fortemente corrosivo<\/td>\n<\/tr>\n
PE<\/td>\nPolietileno de peso molecular ultra-elevado<\/td>\n-50\u00b0C ~ 90\u00b0C<\/td>\n60<\/td>\n0.08~0.15<\/td>\n1.5<\/td>\nAmbiente h\u00famido ou de meios qu\u00edmicos<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nota:<\/strong><\/em> O desempenho real pode variar devido \u00e0 modifica\u00e7\u00e3o do material, a diferen\u00e7as de processo ou a altera\u00e7\u00f5es nas condi\u00e7\u00f5es de trabalho. Recomenda-se a verifica\u00e7\u00e3o de par\u00e2metros espec\u00edficos atrav\u00e9s de experi\u00eancias.<\/p>\n

Marcas comuns<\/strong><\/h2>\n

Rolamentos deslizantes lineares de pl\u00e1stico da SKF
\nRolamentos lineares deslizantes de pl\u00e1stico NSK
\nRolamentos deslizantes lineares de pl\u00e1stico FAG
\nRolamentos lineares deslizantes de pl\u00e1stico da NTN
\nRolamentos deslizantes lineares de pl\u00e1stico TIMKEM
\nRolamentos deslizantes lineares de pl\u00e1stico INA
\nRolamentos lineares deslizantes de pl\u00e1stico JTEKT<\/p>\n

\u00c1reas de aplica\u00e7\u00e3o t\u00edpicas<\/strong><\/h2>\n

Automa\u00e7\u00e3o industrial
\nAplic\u00e1vel a equipamentos como bra\u00e7os rob\u00f3ticos e correias transportadoras. As suas carater\u00edsticas de aus\u00eancia de manuten\u00e7\u00e3o podem reduzir o tempo de inatividade e melhorar a fiabilidade operacional.<\/p>\n

Equipamento de fabrico aditivo
\nNos m\u00f3dulos de movimento das impressoras 3D (como as plataformas de impress\u00e3o e os veios de transmiss\u00e3o), os coeficientes de fric\u00e7\u00e3o baixos ajudam a melhorar a precis\u00e3o do posicionamento.<\/p>\n

\"Plastic<\/p>\n

M\u00e1quinas agr\u00edcolas e florestais
\nResistente \u00e0 eros\u00e3o da \u00e1gua lamacenta e \u00e0s cargas de impacto, \u00e9 frequentemente utilizado em juntas de equipamento de exterior, como semeadoras e ceifeiras.<\/p>\n

Equipamento m\u00e9dico
\nCumprem os requisitos de ambientes est\u00e9reis e s\u00e3o utilizados para pe\u00e7as m\u00f3veis de alta precis\u00e3o, como equipamento de imagiologia e rob\u00f4s cir\u00fargicos.<\/p>\n

Ind\u00fastria de transforma\u00e7\u00e3o de alimentos
\nCumprem as normas de seguran\u00e7a alimentar e podem funcionar durante muito tempo em locais onde os agentes de limpeza entram frequentemente em contacto.<\/p>\n

FAQ<\/strong><\/h2>\n

Q1: Os rolamentos met\u00e1licos podem ser completamente substitu\u00eddos?
\nAs chumaceiras de deslizamento lineares de pl\u00e1stico s\u00e3o mais adequadas para cen\u00e1rios de carga m\u00e9dia e baixa, leve e m\u00e9dia, enquanto as chumaceiras de rolamento met\u00e1licas continuam a ser necess\u00e1rias para condi\u00e7\u00f5es de carga elevada ou alta velocidade.<\/p>\n

Q2: \u00c9 necess\u00e1rio adicionar lubrificante?
\nNa maioria dos casos, n\u00e3o \u00e9 necess\u00e1ria qualquer lubrifica\u00e7\u00e3o, mas podem ser consideradas medidas de lubrifica\u00e7\u00e3o auxiliar em condi\u00e7\u00f5es extremas de temperatura ou de exposi\u00e7\u00e3o a produtos qu\u00edmicos.<\/p>\n

Q3: Quais s\u00e3o os principais factores de sele\u00e7\u00e3o?
\nA carga, a velocidade de movimento, a gama de temperaturas e a corrosividade do meio t\u00eam de ser avaliadas de forma exaustiva. Por exemplo, o PTFE \u00e9 resistente a altas temperaturas e o POM \u00e9 adequado para altas velocidades.<\/p>\n

Q4: Como estimar a vida \u00fatil?
\nEst\u00e1 diretamente relacionada com as condi\u00e7\u00f5es de trabalho. Em condi\u00e7\u00f5es de utiliza\u00e7\u00e3o razo\u00e1veis, a vida \u00fatil pode atingir milhares a dezenas de milhares de horas. A sobrecarga ou a alta velocidade aceleram o desgaste.<\/p>\n

Q5: Quais s\u00e3o as principais vantagens?
\nA auto-lubrifica\u00e7\u00e3o, a resist\u00eancia \u00e0 corros\u00e3o, a redu\u00e7\u00e3o das vibra\u00e7\u00f5es e do ru\u00eddo, a leveza e a manuten\u00e7\u00e3o de baixo custo s\u00e3o as suas principais vantagens competitivas.<\/p>\n

Conclus\u00e3o<\/strong><\/h2>\n

Corredi\u00e7a de pl\u00e1stico Rolamentos lineares<\/strong> <\/a>t\u00eam um desempenho excecional na redu\u00e7\u00e3o do atrito, na redu\u00e7\u00e3o do ru\u00eddo e na adapta\u00e7\u00e3o a ambientes complexos devido \u00e0s suas propriedades materiais \u00fanicas. Tornaram-se componentes importantes nas ind\u00fastrias de automa\u00e7\u00e3o, m\u00e9dica e alimentar. A sele\u00e7\u00e3o do modelo deve basear-se nas condi\u00e7\u00f5es de trabalho espec\u00edficas e o desgaste deve ser verificado regularmente para otimizar a vida \u00fatil. Se for necess\u00e1rio mais apoio t\u00e9cnico, pode contactar a equipa de profissionais em qualquer altura para obter a solu\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"

Overview of Plastic Linear plain Bearings Plastic Sliding Linear bearings are linear motion components that use high-performance polymers as friction pairs and achieve low resistance and silent operation by virtue of the lubrication properties of the material itself. Compared with metal bearings, these bearings have better chemical corrosion resistance and do not require external lubricants, […]<\/p>","protected":false},"featured_media":9950,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_cat":[278,253],"product_tag":[279],"yoast_head":"\nChina Wholesale Plastic Sliding Linear Bearings Supplier - Comdale Bearing<\/title>\n<meta name=\"description\" content=\"As Professional Plastic Sliding Linear Bearings distributor , Comdale supply Roller Bearings, Ball Bearings, Plain Bearing, Slewing Ring Bearings, Combined Bearings, Linear Bearings\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.skf-eu.com\/pt\/produto\/plastic-sliding-linear-bearings\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China Wholesale Plastic Sliding Linear Bearings Supplier - Comdale Bearing\" \/>\n<meta property=\"og:description\" content=\"As Professional Plastic Sliding Linear Bearings distributor , Comdale supply Roller Bearings, Ball Bearings, Plain Bearing, Slewing Ring Bearings, Combined Bearings, Linear Bearings\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.skf-eu.com\/pt\/produto\/plastic-sliding-linear-bearings\/\" \/>\n<meta property=\"og:site_name\" content=\"Comdale Bearing\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-25T01:56:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.skf-eu.com\/wp-content\/uploads\/2025\/04\/Plastic-Sliding-Linear-Bearings-03.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"771\" \/>\n\t<meta property=\"og:image:height\" content=\"651\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.skf-eu.com\/product\/plastic-sliding-linear-bearings\/\",\"url\":\"https:\/\/www.skf-eu.com\/product\/plastic-sliding-linear-bearings\/\",\"name\":\"China Wholesale Plastic Sliding Linear Bearings Supplier - 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