{"product_id":"accessori-valigetta-alluminio-mandrino-m70","title":"Bernardo Lathe Chuck M70 Chuck Aluminum Case","description":"\u003cp\u003eBernardo Aluminum case for M70 chuck is a professional lathe chuck available from Krollit, official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility: M70 chuck and jaws\u003c\/li\u003e\n\u003cli\u003eScope of use: Professional and advanced hobbyist\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eHandle: Yes, integrated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the Aluminum case for M70 chuck and for what\u003c\/h3\u003e\n\u003cp\u003eMechanical workshops and artisan turners use the Aluminum case for M70 chuck as a clamping accessory on metal lathes, ensuring secure locking and centering of the workpiece in turning, drilling, and grooving operations.\u003c\/p\u003e\n\u003ch3\u003eIts place in the Bernardo range\u003c\/h3\u003e\n\u003cp\u003eBernardo Aluminum case for M70 chuck is part of the Bernardo range of lathe chucks, distributed in Italy by Krollit since 2007. The Bernardo range includes models of various categories and performance: to choose the right machine for your use case, you can consult the Bernardo catalog on Krollit or contact customer support for selection assistance.\u003c\/p\u003e\n\u003ch3\u003eKrollit logistics and support\u003c\/h3\u003e\n\u003cp\u003eShipping 3-5 working days from Krollit warehouse for spare parts and accessories. Customer support in Italian available for technical documentation and compatibility verification with the reference machine. Krollit has been an official distributor since 2007.\u003c\/p\u003e\n\u003ch3\u003eWho is the Aluminum case for M70 chuck for\u003c\/h3\u003e\n\u003cp\u003eThe aluminum case for M70 chuck is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical workshops and artisan turners\u003c\/strong\u003e: secure clamping of round or hexagonal workpieces on metal lathes in turning, drilling, and grooving operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsers with a Bernardo lathe with compatible flange\u003c\/strong\u003e: original replacement or upgrade for Bernardo range lathes (profi, hobby, etc.) with DIN 55029 compliant A2 mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIrregular or non-round workpieces\u003c\/strong\u003e: for asymmetrically uncentered workpieces, consider 4-jaw independent chucks or universal platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen to use this chuck?\u003c\/summary\u003e\n\u003cp\u003eIt is a self-centering chuck for clamping workpieces on the lathe during turning operations.\u003c\/p\u003e\n\u003cp\u003eSelf-centering chucks allow rapid clamping of the workpiece with a single key. The choice depends on the shape of the workpiece (cylindrical, square) and the body material (steel or cast iron).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the chuck body made of?\u003c\/summary\u003e\n\u003cp\u003eThe material is indicated in the title: steel (PO series) for maximum precision, cast iron (DK\/PS series) for standard use.\u003c\/p\u003e\n\u003cp\u003eThe choice depends on intensity of use and required tolerance: steel for production and precision, cast iron for general use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich diameter to choose?\u003c\/summary\u003e\n\u003cp\u003eThe choice of diameter depends on the lathe spindle nose (it must match the mounting) and the dimensions of the workpieces to be machined.\u003c\/p\u003e\n\u003cp\u003eTypical diameters: 80-160 mm for hobby lathes, 200-315 mm for professional lathes, 400-630 mm for industrial lathes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I check compatibility with my lathe?\u003c\/summary\u003e\n\u003cp\u003eCheck the type of mounting on the lathe spindle nose (Camlock D3-D15, or threaded M- mount) and the corresponding diameter.\u003c\/p\u003e\n\u003cp\u003eOn modern lathes, Camlock mounting is the most common. Older lathes may have threaded (M-) or flanged mounts. The lathe's technical documentation indicates the exact type.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do you maintain chuck precision?\u003c\/summary\u003e\n\u003cp\u003eRegular cleaning of the spiral mechanism, periodic lubrication with specific chuck grease, concentricity check every 6 months with a dial indicator.\u003c\/p\u003e\n\u003cp\u003eA jaw that moves with difficulty indicates chips or rust in the mechanism: disassemble, clean, and grease. Concentricity is checked by mounting a ground bar and measuring with a dial indicator: acceptable tolerance 0.03-0.1 mm depending on the model.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":52450866037064,"sku":"10-6062","price":31.28,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Valigetta_in_alluminio_per_mandrino_M70_con_maniglia.jpg?v=1770715160","url":"https:\/\/www.krollit.com\/products\/accessories-valigetta-alluminio-chuck-m70","provider":"Krollit","version":"1.0","type":"link"}