{"product_id":"affilatrici-bernardo-u5m-400v","title":"Bernardo Grinding Machine 400 V","description":"\u003cp\u003eThe Bernardo 400 V is a professional-grade grinder with a 0.37 kW motor and a weight of 45 kg. Krollit, official Bernardo distributor since 2007.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCollet diameter: 3 – 18 mm\u003c\/li\u003e\n\u003cli\u003eMax. grinding diameter: 25 mm\u003c\/li\u003e\n\u003cli\u003eConical grinding: 0 – 180°\u003c\/li\u003e\n\u003cli\u003eBack angle: 0 – 45°\u003c\/li\u003e\n\u003cli\u003eNegative angle: 0 – 25°\u003c\/li\u003e\n\u003cli\u003eSpindle speed: 5000 rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho uses the 400 V and for what\u003c\/h3\u003e\n\u003cp\u003eMechanical workshops and tool laboratories use the 400 V for sharpening drill bits, milling cutters, and cutting tools, restoring the geometry of worn tools.\u003c\/p\u003e\n\u003ch3\u003eIts place in the Bernardo range\u003c\/h3\u003e\n\u003cp\u003eThe Bernardo 400 V is part of the Bernardo grinder range, distributed in Italy by Krollit since 2007. The Bernardo range includes models of various categories and performance levels: to choose the right machine for your use case, you can consult the Bernardo catalog on Krollit or contact customer support for assistance in selection.\u003c\/p\u003e\n\u003ch3\u003eKrollit logistics and support\u003c\/h3\u003e\n\u003cp\u003eMachine shipping in 5-9 working days (7 days to Southern Italy). For spare parts and accessories, shipping in 3-5 working days from Krollit warehouse. Customer support in Italian available for technical documentation, product sheets, and spare parts order management. Krollit has been an official distributor since 2007.\u003c\/p\u003e\n\u003ch3\u003eWho is the 400 V for?\u003c\/h3\u003e\n\u003cp\u003eThe 400 V is recommended for the following professional profiles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical workshops and tool laboratories\u003c\/strong\u003e: sharpening HSS drill bits, end mills, and cutting tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial maintenance technicians\u003c\/strong\u003e: restoring geometry of worn tools to reduce replacement costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSharpening carbide or ceramic tools\u003c\/strong\u003e: for carbide, a CBN\/diamond grinding wheel is required: check model compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProcessing capacity\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. grinding diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack angle\u003c\/td\u003e\n\u003ctd\u003e0 – 45°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNegative angle\u003c\/td\u003e\n\u003ctd\u003e0 – 25°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTable, dimensions and geometry\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e450 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOther specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollet diameter\u003c\/td\u003e\n\u003ctd\u003e3 – 18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConical grinding\u003c\/td\u003e\n\u003ctd\u003e0 – 180°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDivisor head positions\u003c\/td\u003e\n\u003ctd\u003e24 (15°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle speed\u003c\/td\u003e\n\u003ctd\u003e5000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrinding wheel\u003c\/td\u003e\n\u003ctd\u003e100 x 50 x 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor power\u003c\/td\u003e\n\u003ctd\u003e0.37 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e400 V (230 V option)\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\u003eWhat can the 400 V sharpen?\u003c\/summary\u003e\n\u003cp\u003eHSS drill bits, end mills, disc cutters, and cutting tools within the dimensional limits of the model.\u003c\/p\u003e\n\u003cp\u003eSharpening capacity is limited by grinding wheel diameter and angle adjustment. For carbide (HM) tools, check CBN\/diamond grinding wheel compatibility.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat sharpening precision does it offer?\u003c\/summary\u003e\n\u003cp\u003eProfessional Bernardo models allow sharpening with tolerances of ±0.02 mm on the cutting angle.\u003c\/p\u003e\n\u003cp\u003ePrecision depends on the machine's rigidity and the quality of the guides. Models with fine calibration allow angular adjustment to a tenth of a degree.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat type of grinding wheel is supplied?\u003c\/summary\u003e\n\u003cp\u003eCorundum grinding wheel for standard HSS sharpening. For HM, a CBN or diamond grinding wheel is required, purchased separately.\u003c\/p\u003e\n\u003cp\u003eKrollit supplies original Bernardo replacement grinding wheels with delivery times of 3-5 working days.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it have a cooling system?\u003c\/summary\u003e\n\u003cp\u003eProfessional grinders offer manual drip cooling or a dedicated pump.\u003c\/p\u003e\n\u003cp\u003eCooling prevents tempering of the tool during sharpening and maintains edge hardness. It is essential for delicate sharpening.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much does the machine weigh?\u003c\/summary\u003e\n\u003cp\u003eSee the \"Weight\" data in the technical table: professional models weigh from 50 to over 200 kg.\u003c\/p\u003e\n\u003cp\u003eBenchtop grinders are installed on a robust workbench, while column models require floor fixing for stability.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Bernardo","offers":[{"title":"Default Title","offer_id":51471837331784,"sku":"05-16410","price":1188.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2139\/0920\/files\/Affilatrice_Bernardo_U5M_400_V_per_bulini_e_utensili_da_taglio.jpg?v=1758704230","url":"https:\/\/www.krollit.com\/products\/sharpeners-bernardo-u5m-400v","provider":"Krollit","version":"1.0","type":"link"}