{"product_id":"mandrino-a-3-ganasce-in-ghisa-ps3-160","title":"Bernardo 3-jaw cast iron lathe chuck PS3-160","description":"\u003cp\u003eThe Bernardo 3-jaw cast iron chuck PS3-160 is a lathe chuck for professional use, weighing 10 kg. Krollit, official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChuck size A: 160\u003c\/li\u003e\n\u003cli\u003eB: 64.5 mm\u003c\/li\u003e\n\u003cli\u003eC: 4 mm\u003c\/li\u003e\n\u003cli\u003ed: 125 mm\u003c\/li\u003e\n\u003cli\u003eE: 42 mm\u003c\/li\u003e\n\u003cli\u003eF: 140 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the PS3-160 3-jaw cast iron chuck and for what\u003c\/h3\u003e\n\u003cp\u003eMechanical workshops and artisan turners use the PS3-160 3-jaw cast iron chuck as a clamping accessory on metal lathes, ensuring secure clamping and centering of the workpiece during turning, drilling, and grooving operations.\u003c\/p\u003e\n\u003ch3\u003eIts place in the Bernardo range\u003c\/h3\u003e\n\u003cp\u003eThe Bernardo PS3-160 3-jaw cast iron chuck is part of the Bernardo lathe chuck range, 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 assistance with selection.\u003c\/p\u003e\n\u003ch3\u003eKrollit logistics and support\u003c\/h3\u003e\n\u003cp\u003eShipping 3-5 business days from Krollit warehouse for spare parts and accessories. Italian-speaking customer support 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 PS3-160 3-jaw cast iron chuck for?\u003c\/h3\u003e\n\u003cp\u003eThe PS3-160 3-jaw cast iron 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 for turning, drilling, and grooving operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsers with a compatible flange Bernardo lathe\u003c\/strong\u003e: original replacement or upgrade for Bernardo range lathes (profi, hobby, etc.) with A2 mount according to DIN 55029.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIrregular or non-round workpieces\u003c\/strong\u003e: for non-symmetrically centered workpieces, consider 4-jaw independent chucks or universal platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e64.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003e4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ed\u003c\/td\u003e\n\u003ctd\u003e125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003e42 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003ctd\u003e140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eG\u003c\/td\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eh\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJ\u003c\/td\u003e\n\u003ctd\u003e32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChuck size A\u003c\/td\u003e\n\u003ctd\u003e160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax speed\u003c\/td\u003e\n\u003ctd\u003e3000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. weight\u003c\/td\u003e\n\u003ctd\u003e10 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen to use a 3-jaw chuck?\u003c\/summary\u003e\n\u003cp\u003eSelf-centering 3-jaw chucks are for cylindrical, hexagonal, and 3-6-9-12 sided workpieces. The jaws move together with a single key (self-centering).\u003c\/p\u003e\n\u003cp\u003eIt is the most common chuck on lathes: quick clamping of symmetrical workpieces, typical concentricity precision 0.03-0.1 mm depending on the body material (steel = better precision, cast iron = standard).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy a cast iron chuck?\u003c\/summary\u003e\n\u003cp\u003eCast iron chucks (DK Camlock or PS series) offer excellent heat dissipation and robust structure at a lower cost compared to steel.\u003c\/p\u003e\n\u003cp\u003eCast iron: typical concentricity precision 0.03-0.1 mm. The DK Camlock series has a quick-change mount, the PS is the basic model. High service life in standard machining operations.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat workpieces is the Ø 160 mm diameter suitable for?\u003c\/summary\u003e\n\u003cp\u003eSuitable for small-medium workpieces (max Ø ~140 mm): bench lathes and artisan workshops.\u003c\/p\u003e\n\u003cp\u003eThe nominal chuck diameter indicates the maximum body size, not the machinable workpiece size. Clamping capacity depends on the jaw opening (typically 60-70% of the nominal Ø).\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 mounting type of the lathe spindle nose (Camlock D3-D15, or threaded mount M-) and the corresponding diameter.\u003c\/p\u003e\n\u003cp\u003eOn modern lathes, Camlock mounting is the most common. On older lathes, there may be a threaded (M-) or flanged mount. The lathe's technical documentation indicates the exact type.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is chuck accuracy maintained?\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":50726459867464,"sku":"21-1003F","price":348.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Mandrino-a-3-ganasce-in-ghisa-PS3-160-extra-big-21358-534.jpg?v=1750421478","url":"https:\/\/www.krollit.com\/products\/mandrino-a-3-ganasce-in-ghisa-ps3-160","provider":"Krollit","version":"1.0","type":"link"}