HYTORC Z System Torque Multiplication Vibration Mechanism

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Solution Overview

Problem

Industrial bolting applications face challenges with side load and thread galling due to friction and adhesion between metallic surfaces, leading to material wear and corrosion, especially in high-load, low-speed applications, where existing tools struggle to efficiently tighten and loosen fasteners without causing damage.

Innovation Solution

The HYTORC Z System employs multi-speed/multi-torque mode tools with torque multiplication and vibration mechanisms, using Z Washers with friction coefficient increasing treatment means to minimize side loads and prevent thread galling, featuring a reaction-free design that eliminates external reaction abutments and incorporates a powerful impact mechanism for efficient bolt tightening and loosening.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Force

If traditional torque tools are used to tighten threaded fasteners, then fasteners can be tightened, but side load and thread galling occur due to friction and adhesion between metallic surfaces

Engineering Contradiction:
Improvetorque outputVSAvoidside load and thread galling
Core Design Contradiction:
ForceVSObject-affected harmful factors

Solution Approach 1:

The patent incorporates a vibration mechanism that generates controlled vibrations during the tightening process. These vibrations reduce friction and adhesion between metallic surfaces, preventing thread galling and minimizing side load while maintaining effective torque application to the fastener.

Inventive Principle:
Principle #18Mechanical vibration

Solution Approach 2:

The tool employs periodic impact actions through its impact mechanism, delivering controlled blows during tightening operations. This periodic action helps overcome friction peaks, prevents thread galling, and reduces side load by intermittently breaking adhesive bonds between mating surfaces.

Inventive Principle:
Principle #19Periodic action

2Strength

If high torque is applied to tighten fasteners in high-load applications, then fastener tightness is achieved, but material wear and corrosion increase due to thread galling

Engineering Contradiction:
Improvefastener tightnessVSAvoidmaterial wear
Core Design Contradiction:
StrengthVSLoss of substance

Solution Approach 1:

The vibration mechanism reduces direct metallic contact and friction during high-torque application, preventing galling and material transfer between threads. This allows achieving required fastener tightness while minimizing material wear and corrosion.

Inventive Principle:
Principle #18Mechanical vibration

Solution Approach 2:

The vibration and impact mechanisms act as intermediaries that mediate the force transmission between the tool and fastener. They reduce direct harmful friction and adhesion while maintaining the necessary torque for achieving proper fastener tightness.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If conventional tools are used in adverse conditions, then fasteners can be tightened, but thread damage occurs due to excessive friction and adhesion

Engineering Contradiction:
Improvebolting speedVSAvoidthread integrity
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The vibration mechanism continuously reduces friction and prevents adhesion buildup during tightening operations, maintaining thread integrity even when operating in adverse conditions that require higher speeds and forces.

Inventive Principle:
Principle #18Mechanical vibration

Solution Approach 2:

The periodic impact action periodically breaks friction peaks and prevents adhesive bonding between threads, allowing faster tightening speeds without compromising thread integrity in challenging operating conditions.

Inventive Principle:
Principle #19Periodic action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The HYTORC Z System significantly reduces operator vibration, increases torque output, and enhances bolting speed and safety by minimizing side loads and thread galling, allowing for efficient tightening and loosening of fasteners even in adverse conditions without damaging the threads.

Implementation Method 1

vibration mechanisms

Methodology Applied
Scientific EffectVibration: Vibration

Implementation Method 2

friction and adhesion between metallic surfaces

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 3

powerful impact mechanism

Methodology Applied
Scientific EffectImpact force: Impact Force

Implementation Method 4

torque multiplication

Methodology Applied
Scientific EffectTorque: Torque

Implementation Method 5

torque multiplication

Methodology Applied
Scientific EffectMechanical advantage: Mechanical Advantage

Data Source

PatentUS20160375563A1Apparatus for tightening threaded fasteners
Publication Date: 2016.12.29 HYTORC DIV UNEX CORP
  • US20160375563A1 patent drawing
  • US20160375563A1 patent drawing
  • US20160375563A1 patent drawing

AI summary

The present invention seeks to protect Applicant's HYTORC Z System which involves: tools having multi-speed/multi-torque modes with torque multiplication and vibration mechanisms without use of external reaction abutments; a force transfer means to yield in-line co-axial action and reaction for use with such tools; driving means and shitting means capable of attaching to washers under the nut for use with such tools and force transfer means; associated washers for use with such tools, force transfer means and driving means; and related accessories for use with such tools, force transfer means, driving means and washers. HYTORC® Z® Washers located under nuts or bolt heads of various types having engageable perimeters of multiple shapes, sizes, geometries and serrations, such as washer/fastener radius engagement differentials, and frictionally biased faces with relatively higher friction against the flange surface and relatively lower friction against the nut, such as friction coefficient increasing treatment means of various types, sizes and locations. HYTORC® Z® Guns incorporating a powerful impact mechanism and a precise torque multiplier in the same tool combining rapid run-down with calibrated torque. HYTORC® Z® Sockets with dual drive coaxial action and reaction having outer sleeves to react on Z® Washers and an inner sleeves to turn nuts or boll heads. HYTORC® Z® Spline Adapters and Reaction Plates for backwards compatibility with HYTORC®'s torque/tension systems including the AVANTI® square drive system, the STEALTH® limited clearance system, the pneumatic jGUN® series, the FLASH® Gun electric multiplier and more. HYTORC® Z® Washer and HYTORC® Friction Washer™ combination including a dual friction-enhanced face washer for counter-torque under a nut or bolt head on the other side of the joint; and HYTORC® Z® Dual Drive Offset Links for light clearances while using HYTORC®'s torque/tension systems.