Structural, Motion Hardware

Image	Part Number	Description / PDF	Quantity	Rfq
	ROB-12194 SparkFun	CROSSOVER PLATE A	0
	ROB-12468 SparkFun	BEARING MNT QUAD BLOCK 5/8" BORE	0
	ROB-12200 SparkFun	SERVO MNT PLATE A 1/4 SCALE	0
	ROB-12259 SparkFun	SHAFT SOLID 1/4"D X 1"L	0
	ROB-12390 SparkFun	HUB MNT C 90 DEGREE	0
	ROB-12306 SparkFun	SET SCREW HUB 3/8" BORE	0
	ROB-12344 SparkFun	SHAFT DSHAFT 1/4"D X 2.25"L	0
	ROB-12558 SparkFun	ALUMINUM BEAM 7.70" PAIR	0
	ROB-12382 SparkFun	DISC WHEEL 3" RED 2PK	0
	ROB-12327 SparkFun	ALUMINUM BEAM 1.54" PAIR	0
	ROB-12178 SparkFun	SHAFT SOLID 1/4"D X 9"L	0
	ROB-12111 SparkFun	GEAR PINION GEAR 20T 6MM BORE	0
	ROB-00320 SparkFun	BALL CASTER OMNI METAL	0
	ROB-12119 SparkFun	DISC WHEEL 3" ORNG 2PK	0
	ROB-12457 SparkFun	SHAFT COUPLER 3/8" TO 3/8"	0
	ROB-12463 SparkFun	SHAFT SOLID 1/2"D X 3"L	0
	ROB-12488 SparkFun	SET SCREW HUB 1/4" BORE	0
	ROB-13597 SparkFun	TIMING PULLEY MNT 15T 0.25" BORE	0
	ROB-12321 SparkFun	SHAFT SOLID 1/8"D X 5"L	0
	ROB-12499 SparkFun	TUBE CLAMP HUB 5/8" BORE	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.