The SCHNEEBERGER BM W 20-B-G2-V2 linear module delivers heavy-duty precision with a 20mm rigid profile and ball screw drive.Engineered for 500N dynamic loads
and±0.005mm repeatability,it excels in CNC automation and robotic machining.With hardened steel guides and IP54 protection,it withstands metal chips/coolants in harsh
industrial environments.
Product Parameters
Parameter Value
Module Width 20 mm
Drive Type Ball Screw(C5 grade)
Max.Stroke Length 1500 mm
Max.Speed 1.2 m/s
Repeatability±0.005 mm
Dynamic Load Capacity 500 N
Static Load Capacity 1500 N
Screw Lead 5/10/20 mm
Stiffness 200 N/μm
Protection Class IP54
Key Features&Advantages
Industrial-Grade Rigidity
Dual preloaded guideways resist 15 Nm moment loads.Ideal for milling attachment positioning.
Zero-Backlash Ball Screw
C5-grade ground screws maintain accuracy after 10,000+km travel.Preload adjustable via spacer kits.
Integrated Safety
STO(Safe Torque Off)input enables Category 3 PLd safety compliance for collaborative cells.
Thermal Stability
Aluminum-steel composite design minimizes thermal growth(0.003mm/°C).Optional cooling jackets available.
Application Scenarios
CNC Tool Changers:24/7 spindle interface positioning
Press Automation:Die handling in stamping lines
Coordinate Measuring Machines:Probe head precision alignment
Installation&Usage Notes
Mounting Protocol
Grind mounting surface to<5μm flatness per 100mm
Torque M5 bolts to 4.5 Nm in cross pattern
Laser-align screw parallelism within 0.02mm/m
Maintenance Requirements
Relubricate screw every 300 hours(SCHNEEBERGER EP2 grease)
Inspect wipers quarterly for particle ingress
Monitor preload via torque variation(<10%baseline)
Critical Warnings
⚠️Never lift by carriage–use profile lifting lugs
⚠️Avoid condensation:Preheat to ambient+5°C in cold starts
⚠️ESD-sensitive:Ground via dedicated GND terminal
1.How to optimize ball screw life in high-load applications?
Keep axial loads below 80%dynamic capacity.Maintain lubrication film thickness>0.1μm.Use SCHNEEBERGER's SRA software for load distribution analysis.Schedule vibration
analysis every 2000 hours.
2.Can I use this module in vertical machining centers?
Yes,Z-axis mounting supports 35kg payloads.Always incorporate counterbalance systems.Verify motor brake torque exceeds 1.5x payload moment.Seal screw ends against
coolant ingress.
3.What controllers achieve±0.005mm accuracy?
Pair with EtherCAT drives(e.g.,Beckhoff AX8000).Implement full-closed loop with 0.1μm linear scales.Compensate thermal drift via integrated sensors.
4.How to handle chip contamination in machining cells?
Install optional steel scrapers(P/N:SCR-20B).Route purge air through profile channels.Orient module≥15°from horizontal to facilitate debris fall.
5.Is re-ball screw preload adjustment possible?
Yes,via spacer shim kits(PK-20B).Requires 50Nm torque wrench and dial indicator.Target 5μm axial play after 100km run-in.
6.What motor specs match 20-B-G2-V2 performance?
Select 400W+servos with≥24-bit encoders.Maintain 3:1 inertia ratio.Use SCHNEEBERGER's MA-20B adapter for direct coupling.
7.How to recover accuracy after crash events?
First,check screw straightness with 0.01mm/m tolerance gauge.Replace carriage if impact exceeds 300N.Recalibrate home position via mechanical stopper.
8.Does it support multi-axis gantry configurations?
Yes,with coplanar alignment plates(CP-20).Synchronize via cross-coupled control.Max.sync error:0.02mm over 1m travel.
9.What lubrication intervals apply in food processing?
NSF H1 greases require 150-hour cycles.Clean residue with food-grade solvents.Inspect weekly for microbial growth in humid environments.
10.How to integrate STO safety functionality?
Wire dual-channel signals to pins 12/13.Test weekly via simulated power loss.Validation requires PLd-certified safety relays.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a one-stop integrated service provider of intelligent manufacturing, belongs to the Gong Doctor Group, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1). Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3). At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
010-64225983
+8613811814778
info@zhongpingtech.com
Building 26, Liyuan Community, Chaoyang District, Beijing, China
