Structural, Motion Hardware

Image	Part Number	Description / PDF	Quantity	Rfq
	ROB-12290 SparkFun	SHAFT DSHAFT 1/4"D X 2.00"L	0
	ROB-12239 SparkFun	GEAR HUB MNT 128T 1.0" BORE	0
	ROB-12425 SparkFun	DISC WHEEL 2" BLU 2PK	0
	ROB-12188 SparkFun	HUB MNT 45 DEGREES	0
	ROB-12221 SparkFun	ALUMINUM CHANNEL 12"	0
	ROB-12139 SparkFun	SKATE WHEEL 2.975 GRAY	0
	ROB-12418 SparkFun	GEAR PINION GEAR 24T 6MM BORE	0
	ROB-12279 SparkFun	TUBE - ALUMINUM	0
	ROB-12260 SparkFun	BEARING MNT FLAT 3/8" BORE	0
	ROB-12432 SparkFun	SHAFT SOLID 3/8"D X 5"L	0
	ROB-12400 SparkFun	MOTOR MNT B STYLE	0
	ROB-12466 SparkFun	SHAFT SOLID 1/2"D X 7"L	0
	ROB-12372 SparkFun	HUB ADAPTER 0.77" TO 0.77"	0
	ROB-12108 SparkFun	SET SCREW HUB 1/8" BORE	0
	ROB-12300 SparkFun	HUB MNT 0.25" 48T 1.0" BORE	0
	ROB-12373 SparkFun	SHAFT SOLID 3/8"D X 8"L	0
	ROB-12356 SparkFun	TUBE - ALUMINUM	0
	ROB-12396 SparkFun	DISC WHEEL 2" RED 2PK	0
	ROB-12357 SparkFun	DISC WHEEL 3" YLW 2PK	0
	ROB-12122 SparkFun	ALUMINUM CHANNEL 4.50"	0

Structural, Motion Hardware

1. Overview

Structural hardware refers to components that provide mechanical support, fixation, or load-bearing functions in systems. Motion hardware enables controlled movement, positioning, or transmission of mechanical energy. Both categories are critical in automation, robotics, aerospace, and industrial machinery, ensuring precision, durability, and system integration.

2. Main Types and Functional Classification

Type	Function Features	Application Examples
Structural Fasteners	High-load bearing, vibration resistance, corrosion protection	Aerospace frame assembly, automotive chassis
Linear Guides	Low-friction linear motion control, high positioning accuracy	CNC machine tools, 3D printers
Ball Screws	Convert rotary to linear motion with 90%+ efficiency	Industrial robots, semiconductor manufacturing equipment
Shaft Couplings	Transmit torque while compensating for misalignment	Conveyor systems, packaging machinery

3. Structure and Components

Structural hardware typically includes threaded elements (bolts, screws), anchoring mechanisms, and load-distributing washers. Motion hardware combines precision-machined rails, recirculating ball bearings, and hardened steel shafts. Advanced systems integrate sensors and smart materials for adaptive control.

4. Key Technical Specifications

Parameter	Description	Importance
Load Capacity	Maximum static/dynamic force withstandable	Determines operational safety and lifespan
Positioning Accuracy	Micron-level deviation tolerance	Critical for semiconductor and optical equipment
Friction Coefficient	0.001-0.01 range for rolling elements	Impacts energy efficiency and heat generation
Corrosion Resistance	Measured by salt spray test duration	Essential for marine/chemical environments

5. Application Fields

Industrial Automation: Collaborative robots, AGV navigation
Aerospace: Satellite deployment mechanisms, aircraft actuation systems
Medical Equipment: MRI scanner positioning stages, surgical robots
Renewable Energy: Solar tracker orientation systems, wind turbine pitch control

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Technical Highlights
THK Co., Ltd.	HSR Linear Guides	World's first self-lubricating rail system
MISUMI	Ball Screw Support Units	Integrated angular contact bearings
Bosch Rexroth	IndraDrive Motion Controllers	Integrated safety functions up to SIL-3

7. Selection Guidelines

Consider operating environment (temperature, humidity), load dynamics (shock, vibration), and precision requirements. For example, cleanroom applications require non-outgassing materials, while outdoor installations demand IP67-rated enclosures. Cost optimization can be achieved through standardized component selection.

8. Industry Trends

Key developments include additive manufacturing of lattice-structured supports, IoT-enabled condition monitoring systems, and bio-inspired adhesives replacing traditional fasteners. The market is projected to grow at 5.8% CAGR through 2030, driven by Industry 4.0 automation demands.