{"product_id":"kunwei-kwr46-series-sensor","title":"Kunwei KWR46 Six-Axis Force\/Torque Sensor, 46 mm, 50–500 N for Robotics","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eKunwei KWR46 \u003ca href=\"https:\/\/rcdrone.top\/collections\/six-axis-force-torque-sensors\/\"\u003esix-axis force\/torque sensor\u003c\/a\u003e\u003c\/strong\u003e measures three forces and three moments for robotic contact-force control, precision assembly and compact test fixtures. Its 46 mm body is available in A, B, C and G models, with force capacities from 50 to 500 N and moment capacities from 2 to 16 N·m per axis. A matched external acquisition module processes the strain-gauge signals for the selected control interface.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMeasures Fx, Fy, Fz and Mx, My, Mz for multi-axis load feedback.\u003c\/li\u003e\n\u003cli\u003eCompact 46 mm diameter and nominal 20.4 mm body height.\u003c\/li\u003e\n\u003cli\u003eSix-axis joint calibration, with 0.1% FS repeatability and model-specific accuracy.\u003c\/li\u003e\n\u003cli\u003eA\/B\/C models use anodized aluminum alloy; the higher-capacity G uses electropolished alloy steel.\u003c\/li\u003e\n\u003cli\u003eMultiple industrial communication choices through matched acquisition electronics.\u003c\/li\u003e\n\u003cli\u003e300% FS overload level; working loads must remain within the rated measuring ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eKWR46A\u003c\/th\u003e\n\u003cth\u003eKWR46B\u003c\/th\u003e\n\u003cth\u003eKWR46C\u003c\/th\u003e\n\u003cth\u003eKWR46G\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eRange Fx, Fy (N)\u003c\/th\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRange Fz (N)\u003c\/th\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRange Mx, My (Nm)\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRange Mz (Nm)\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter (mm)\u003c\/th\u003e\n\u003ctd\u003e46\u003c\/td\u003e\n\u003ctd\u003e46\u003c\/td\u003e\n\u003ctd\u003e46\u003c\/td\u003e\n\u003ctd\u003e46\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight (mm)\u003c\/th\u003e\n\u003ctd\u003e20.4\u003c\/td\u003e\n\u003ctd\u003e20.4\u003c\/td\u003e\n\u003ctd\u003e20.4\u003c\/td\u003e\n\u003ctd\u003e20.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003ctd\u003eAlloy steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eAnodized\u003c\/td\u003e\n\u003ctd\u003eAnodized\u003c\/td\u003e\n\u003ctd\u003eAnodized\u003c\/td\u003e\n\u003ctd\u003eElectropolished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverload Level (%FS)\u003c\/th\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution (%FS)\u003c\/th\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRepeatability (%FS)\u003c\/th\u003e\n\u003ctd\u003e0.1\u003c\/td\u003e\n\u003ctd\u003e0.1\u003c\/td\u003e\n\u003ctd\u003e0.1\u003c\/td\u003e\n\u003ctd\u003e0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAccuracy* (%FS)\u003c\/th\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight (kg)\u003c\/th\u003e\n\u003ctd\u003e0.06\u003c\/td\u003e\n\u003ctd\u003e0.07\u003c\/td\u003e\n\u003ctd\u003e0.07\u003c\/td\u003e\n\u003ctd\u003e0.21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection Rating\u003c\/th\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003ctd\u003eIP64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature (°C)\u003c\/th\u003e\n\u003ctd\u003e−10 to +80 (sensor)\u003c\/td\u003e\n\u003ctd\u003e−10 to +80 (sensor)\u003c\/td\u003e\n\u003ctd\u003e−10 to +80 (sensor)\u003c\/td\u003e\n\u003ctd\u003e−10 to +80 (sensor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSampling Rate (Hz)\u003c\/th\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMatched acquisition module supply (VDC)\u003c\/th\u003e\n\u003ctd\u003e9–24 default; 48 V requires a special configuration\u003c\/td\u003e\n\u003ctd\u003e9–24 default; 48 V requires a special configuration\u003c\/td\u003e\n\u003ctd\u003e9–24 default; 48 V requires a special configuration\u003c\/td\u003e\n\u003ctd\u003e9–24 default; 48 V requires a special configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication Interface\u003c\/th\u003e\n\u003ctd colspan=\"4\"\u003eVia matched acquisition module: RS422 \/ RS485 \/ Modbus \/ CAN \/ CAN FD \/ TCP \/ UDP \/ EtherCAT \/ USB; configuration dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eFS means full scale. Force and moment ratings are measuring capacities, not sensor mass or robot payload. Include tool weight, lever arms and combined loads when selecting a model. The 300% FS overload level does not extend the measuring range. Accuracy includes crosstalk, hysteresis and nonlinearity.\u003c\/p\u003e\u003cp\u003eBody dimensions exclude the cable connector and other protrusions. Sensor body masses in this table are distinct from packed shipping weight. The force and moment ranges for G apply equally to its three force axes and three moment axes respectively.\u003c\/p\u003e\u003ch2\u003eAcquisition and Communication\u003c\/h2\u003e\u003cp\u003eThe compact sensor requires an external acquisition module to convert analog strain-gauge signals into digital load data. The A\/B\/C\/G selections specify measuring capacity, not a choice of communication protocol. Use acquisition electronics and a host interface matched to the required protocol; the listed interfaces are alternative configurations.\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDocumented A\/B\/C serial acquisition\u003c\/th\u003e\n\u003ctd\u003e24-bit ADC; 1 kHz sampling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDefault module supply\u003c\/th\u003e\n\u003ctd\u003e9–24 VDC; 48 V is not a default supply rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDocumented RS485 \/ RS422 module power\u003c\/th\u003e\n\u003ctd\u003eLess than 3 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSerial settings\u003c\/th\u003e\n\u003ctd\u003e460800 baud, 8 data bits, 1 stop bit, no parity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRS485 module reference\u003c\/th\u003e\n\u003ctd\u003eKWH06C80NL series; standard HDB15 sensor connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor-to-module connection\u003c\/th\u003e\n\u003ctd\u003eDedicated multi-core cable; DB25 \/ HDB15 connection depending on the assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDocumented serial module operating temperature\u003c\/th\u003e\n\u003ctd\u003e+5 to +80 °C; use this narrower limit for that complete setup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eA\/B\/C drawing cable reference\u003c\/th\u003e\n\u003ctd\u003e3 mm diameter, 5 m length; match the selected assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eThe 24-bit ADC specification and 0.03% FS resolution describe different characteristics. Use the selected module's wiring and data-format instructions; the serial manuals use kg-based force and kg·m-based moment output conventions, so host software must apply the correct engineering-unit conversion rather than treating raw values as N and N·m. An RS422 unit connected using only the RS485 transmit pair can send data but cannot receive commands through that connection.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotic insertion and assembly:\u003c\/strong\u003e measure contact forces and moments during part alignment and engagement, including gearbox assembly fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrinding and polishing:\u003c\/strong\u003e provide multi-axis feedback for developing contact-load control on curved surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachining and torque tests:\u003c\/strong\u003e monitor cutting forces or tool reactions within the selected six-axis load envelope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotics research:\u003c\/strong\u003e integrate compact force measurement into arms, humanoids, exoskeletons, quadrupeds and guided-vehicle tooling where the loads and mounting interface fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiomechanics and rehabilitation research:\u003c\/strong\u003e measure interaction loads in sports-test and assisted-motion fixtures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMechanical Installation and Setup\u003c\/h2\u003e\u003cp\u003eThe mechanical reference shows a 46 ±0.05 mm body, a 39 ±0.05 mm mounting circle and six M3 attachment threads per face. The two faces have different thread-depth references: 3.5 mm and 5 mm. The drawing includes 3 mm locating-pin holes and face-specific angular offsets; match the correct face, orientation and screw engagement before making an adapter.\u003c\/p\u003e\u003cp\u003eKeep mounting faces clean and flat, tighten screws progressively in a diagonal sequence, and do not open or strike the calibrated sensor body. Adapter flanges are not included by default. Proper face contact and cable-connector fastening are needed for IP64 protection. Verify power polarity before connection, allow warm-up according to the selected interface manual, and zero the installed system with its tool load accounted for.\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 × Kunwei KWR46 sensor in the selected A, B, C or G model.\u003c\/li\u003e\n\u003cli\u003eSensor connection cable and electronic documentation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe documented RS485\/RS422 A\/B\/C measurement packages also include one data acquisition module and a package box. The model selector alone does not specify the module protocol; the acquisition configuration for G must be established separately. USB\/serial converters and DC power supplies are additional equipment. Robot arms, tools and application fixtures pictured in the visual examples are not included.\u003c\/p\u003e\u003ch2\u003eDownloads\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Kunwei-KWR46-Series-Drawing.pdf?v=1780317239\" target=\"_blank\" rel=\"noopener\"\u003eKWR46 mechanical drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Kunwei-KWR46-Series-RS485-User_manual.pdf?v=1780317255\" target=\"_blank\" rel=\"noopener\"\u003eKWR46 RS485 user manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Kunwei-KWR46-Series-RS422-User_manual.pdf?v=1780317255\" target=\"_blank\" rel=\"noopener\"\u003eKWR46 RS422 user manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/KUNWEI-6_Axis_Force_Sensors_Selection_Manual.pdf?v=1780281802\" target=\"_blank\" rel=\"noopener\"\u003eKunwei six-axis sensor selection manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eWhich KWR46 model fits my load range?\u003c\/h3\u003e\u003cp\u003eA provides 50 N \/ 2 N·m, B 150 N \/ 5 N·m, C 200 N \/ 7 N·m and G 500 N \/ 16 N·m per corresponding axis. Check both forces and moments, including tool weight and lever-arm effects.\u003c\/p\u003e\u003ch3\u003eCan the sensor connect directly to EtherCAT, CAN or USB?\u003c\/h3\u003e\u003cp\u003eDigital communication requires the matching external acquisition module. Selecting A, B, C or G selects the load capacity, not every listed protocol.\u003c\/p\u003e\u003ch3\u003eCan I power the standard module from 48 V?\u003c\/h3\u003e\u003cp\u003eThe default supply is 9–24 VDC. Use 48 V only with a specifically rated module configuration.\u003c\/p\u003e\u003ch3\u003eIs an acquisition module included?\u003c\/h3\u003e\u003cp\u003eThe RS485\/RS422 A\/B\/C package documentation lists one acquisition module. Establish the interface configuration for the selected model, particularly G; adapter flanges, USB converters and power supplies are not standard package items.\u003c\/p\u003e\u003ch3\u003eDo all KWR46 installation references use the same dimensions?\u003c\/h3\u003e\u003cp\u003eUse the drawing for the delivered revision: the nominal 20.4 mm reference has face-specific M3 engagement depths. An older RS422 document also contains different height and mass values, so those references must not be mixed when machining adapters.\u003c\/p\u003e\u003ch2\u003eVisual Details\u003c\/h2\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr46-d1-optimized.webp?v=1792561580\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr46-d1-optimized.webp?v=1792561580\" loading=\"lazy\" alt=\"KWR46 model-specific force and moment capacities, with external acquisition requirements.\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eKWR46 model-specific force and moment capacities, with external acquisition requirements.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr46-d2-optimized.webp?v=1792561584\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr46-d2-optimized.webp?v=1792561584\" loading=\"lazy\" alt=\"KWR46A\/B\/C mechanical reference. Dimensions, pin-hole tolerances and mounting faces must be read from the matching drawing.\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eKWR46A\/B\/C mechanical reference. Dimensions, pin-hole tolerances and mounting faces must be read from the matching drawing.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr46-d3-optimized.webp?v=1792561588\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/kunwei-kwr46-d3-optimized.webp?v=1792561588\" loading=\"lazy\" alt=\"Series application examples, including laboratory medical and surgical-robotics research. These photographs do not establish clinical approval or universal equipment compatibility.\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eSeries application examples, including laboratory medical and surgical-robotics research. These photographs do not establish clinical approval or universal equipment compatibility.\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"Kunwei Sensing","offers":[{"title":"KWR46A","offer_id":68046679113952,"sku":"KUN-64FA2605","price":7598.0,"currency_code":"USD","in_stock":true},{"title":"KWR46B","offer_id":68046679146720,"sku":"KUN-299C447D","price":7598.0,"currency_code":"USD","in_stock":true},{"title":"KWR46C","offer_id":68046679179488,"sku":"KUN-16F4BC4C","price":7598.0,"currency_code":"USD","in_stock":true},{"title":"KWR46G","offer_id":68046679212256,"sku":"KUN-B95C3E7D","price":7598.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/kunwei-kwr46-g3-optimized.webp?v=1792562656","url":"https:\/\/rcdrone.top\/sw\/products\/kunwei-kwr46-series-sensor","provider":"RCDrone","version":"1.0","type":"link"}