{"product_id":"heidenhain-rvm-4000-rotary-axis-reference-encoders","title":"HEIDENHAIN RVM 4000 Rotary Axis Reference Encoders","description":"\u003cp\u003eThe HEIDENHAIN RVM 4000 is a non-contact reference encoder for acceptance testing and inspection of machine-tool rotary axes. Its optical scale drum and scanning module measure rotary-axis motion for comparison with programmed positions. RVM 4180 is intended for rotary tables; the compact RVM 4280 is intended for swivel axes.\u003c\/p\u003e\n\u003cp\u003eRVM 4000 is currently offered on a rental basis only. Contact us to discuss the inspection requirement and confirm a suitable route; this page does not promise rental availability or stock.\u003c\/p\u003e\n\u003ch2\u003eTechnical Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModels:\u003c\/strong\u003e RVM 4180 for rotary tables; RVM 4280 for swivel axes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasuring standard:\u003c\/strong\u003e METALLUR graduation on a steel drum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrating period:\u003c\/strong\u003e 40 µm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem accuracy:\u003c\/strong\u003e ±0.5 arcsecond for RVM 4180; ±1.0 arcsecond for RVM 4280, within the specified mounting and operating tolerances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePossible measuring range:\u003c\/strong\u003e 360°, subject to the machine geometry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRunout tolerance:\u003c\/strong\u003e ±0.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e 1 Vpp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasuring step:\u003c\/strong\u003e at least 0.03 arcsecond with EIB 74x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply voltage:\u003c\/strong\u003e 5 V ±0.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical current:\u003c\/strong\u003e less than 100 mA per axis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e RVM 4180 has four 2.5 m cables; RVM 4280 has three 2.8 m cables, each with a 15-pin D-sub connector and locking screws\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum cable length:\u003c\/strong\u003e 20 m with the specified cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScanning-module holder:\u003c\/strong\u003e M30 × 0.5; tool-holder adapters are accessories\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermissible speed:\u003c\/strong\u003e up to 100 rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e 15 °C to 25 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMass:\u003c\/strong\u003e scanning module approximately 1.4 kg for RVM 4180 or 2.2 kg for RVM 4280; drum holder approximately 3.3 kg; total including case approximately 10.7 kg or 11.1 kg respectively\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInspection setup\u003c\/h2\u003e\n\u003cp\u003eThe encoder operates with an EIB 74x interface box and a PC with suitable evaluation software. The setup can support acceptance testing and evaluation in accordance with ISO 230-2, ISO 230-3 and VDI\/DGQ 3441. Mounting tools, tool-holder adapters, cables, interface electronics and software must be matched to the machine and inspection task. This page covers the RVM 4000 hardware, not a separate software offering.\u003c\/p\u003e\n\u003cp\u003eMeasurement outside the rotary-axis center can be possible with a suitable setup, but errors from associated linear axes may influence the result. The operator must interpret the overall measurement. The machine geometry can also limit the measuring range.\u003c\/p\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/docs.auto-met.com\/2-HEIDENHAIN-RVM4000.pdf\" target=\"_blank\" rel=\"noopener\"\u003eRVM 4000 and ACCOM 4.0 product information, May 2023 (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eInclude the rotary-axis type, machine details and inspection requirements so we can help identify the appropriate setup.\u003c\/p\u003e","brand":"HEIDENHAIN","offers":[{"title":"Default Title","offer_id":67661706723645,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/8222\/4189\/files\/3-HEIDENHAIN-RVM4000-white_ef15b392-fbc5-4c00-bf96-834a0acc2b17.png?v=1791605880","url":"https:\/\/auto-met.com\/products\/heidenhain-rvm-4000-rotary-axis-reference-encoders","provider":"Automation and Metrology, Inc.","version":"1.0","type":"link"}