Description

Specifications of SM070-60-020-P0-45-S1-B0

Name: SM070-60-020-P0-45-S1-B0 ELAU SERVO MOTOR
Availability: InStock

SM070-60-020-P0-45-S1-B0 is a precision linear motion component (predominantly a ball screw assembly, in line with industry-standard part numbering conventions for linear motion systems—common to manufacturers like HIWIN, THK, or Bosch Rexroth).

1. Part Number Coding Interpretation

Linear motion components typically use segmented part numbers to denote key parameters. The coding of SM070-60-020-P0-45-S1-B0 is generally interpreted as follows (specifics may vary slightly by manufacturer; confirmation with the original supplier is recommended for exact details):

Code Segment	Typical Meaning
SM	Product Series Identifier: Usually stands for “Screw Module” or “Linear Screw Assembly,” indicating it is a linear motion component centered on a ball screw.
070	Screw Shaft Diameter: The outer diameter of the ball screw shaft is 70 mm (a critical parameter determining load-bearing capacity and rigidity).
60	Lead (Pitch): The linear distance the nut travels when the screw completes one full rotation is 60 mm (directly influencing the linear motion speed of the component).
020	Nut Type / Screw Effective Length: Commonly indicates the effective length of the screw shaft (the section involved in linear motion) is 200 mm (some manufacturers may use this segment to mark nut specifications, e.g., single-nut or double-nut design; supplier confirmation is advised).
P0	Accuracy Class: Represents the motion accuracy grade of the ball screw. “P0” is a common high-precision grade (per ISO or JIS standards), with a cumulative position error typically ≤ 0.023 mm/300 mm (specific tolerances depend on the manufacturer’s accuracy criteria).
45	Mounting Configuration / Shaft End Processing: Usually denotes the shaft end machining type (e.g., length of the threaded section at the screw end or mounting flange type), with “45” corresponding to a standard shaft end design (e.g., a cylindrical shaft end with a specific thread length for bearing installation).
S1	Nut Attachment / Lubrication: May indicate the nut’s auxiliary features—for example, “S1” represents a single nut with a standard lubrication port (some manufacturers use this segment to mark nut material or sealing type, e.g., rubber seals for dust protection).
B0	Additional Features: Typically indicates optional accessories or special designs—for instance, “B0” means no additional accessories (e.g., no built-in position encoder, no anti-backlash structure) or a standard coating (e.g., black oxide coating on the screw shaft for corrosion resistance).

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