Helical Gears Calculator Formulas Pdf 11 lodsireno. 19/03/2018В В· Helical gear design, This calculator will determine the following design variables for a gear and pinion: Transverse DP, Circular Pitch, Module, Pressure Angle, Pitch Diameter Helical Gear and Pinion Calculator and Equations.

### Spur Gear Creation

Gear Mathematics for Bevel & Hypoid Gears. The article "Helical Gear Mathematics Formulas and Examples" appeared in the May/June 1988 issue of Gear Technology.. Summary The following excerpt is from the Revised Manual of Gear Design, Section III, covering helical and spiral gears., The helical gear formulas are given below for Diametral pitch (DP). To model the gear follow the same procedure explained for Module gear type. _____ Transverse diametral pitch = No. of teeth / Pitch diameter Normal diametral pitch = Transverse diametral pitch / COS (Helix angle).

Formulas for gears calculation вЂ“ internal gears Contens Internal spur gears with normal profile Internal spur gears with corrected profile вЂў Without center distance variation вЂў With center distance variation Internal helical gears with normal profile Internal helical gears with corrected profile вЂў Without center distance variation 13 GearsвЂ”General Chapter Outline 13-1 Types of Gears 13-2 Nomenclature 13-3 Conjugate Action 13-4 Involute Properties 13-5 Fundamentals 13-6 Contact Ratio 13-7 Interference 13-8 The Forming of Gear Teeth 13-9 Straight Bevel Gears 13-10 Parallel Helical Gears 13-11 Worm Gears 13-12 Tooth Systems 13-13 Gear Trains 13-14 Force AnalysisвЂ”Spur Gearing 13-15 Force AnalysisвЂ”Bevel Gearing

Formulas for gear calculation вЂ“ external gears Contents: Relationship between the involute elements Determination of base tooth thickness from a known thickness and vice-versa. Cylindrical spur gears with standard profile Cylindrical spur gears with corrected profile вЂў Without centre distance variation вЂў With centre distance variation Cylindrical helical gears with standard profiles applications, the helical gear can be used. This gear uses angled teeth to increase the contact ratio between the teeth of two meshed gears. Other advantages of helical gears are that they run more quietly than spur gears and that a smaller helical gear can transmit the same load as a larger spur gear (Hamrock et al. 2005, pg. 608). One

the above formula should also be adjusted by the gear factor f z as shown in Table 4.2. 4. Bearing Load Calculation Fig. 4.1 Spur gear loads Ks Kt Fig. 4.2 Helical gear loads Ks Kt a Fig. 4.3 Radial resultant forces Kt Kr s D p 4.1.2 Gear load The loads operating on gears can be divided into three main types according to the direction in which results of each calculation step, basic settings are computed as they are commonly used by modern CNC bevel gear generators in order to cut or grind real bevel gearsets. вЂ”Hermann J. Stadtfeld Gear Mathematics for Bevel & Hypoid Gears 50 GEAR TECHNOLOGY August вЂ¦

Formulas for gears calculation вЂ“ internal gears Contens Internal spur gears with normal profile Internal spur gears with corrected profile вЂў Without center distance variation вЂў With center distance variation Internal helical gears with normal profile Internal helical gears with corrected profile вЂў Without center distance variation HELICAL GEARS HELICAL GEAR FORMULAS TRANSVERSE VS. NORMAL DIAMETRAL PITCH FOR BOSTON 45В° HELICAL GEARS HELICAL GEAR LEWIS FORMULA The beam strength of Helical Gears operating on parallel shafts can be calculated with the Lewis Formula revised to compen-sate for the difference between Spur and Helical Gears, with modified Tooth Form Factors Y. W=Tooth Load, Lbs. вЂ¦

The conventional formulas for the calculation of helical round wire compression springs are: Load as a function of deflection (spring rate): P G d4 R- -T- (1) Stress as a function of deflection: S G d (2) T' TDN These formulas, as well as calculation tables and nomographs de-rived from them, are in the proper form to calculate loads, stresses, and energies for a given spring. However, their 11. Load calculation of gears 11.1 Calculation of loads on spur, helical, and double-helical gears There is an extremely close relationship among the two mechanical elements, gears and rolling bearings. Gear units, which are widely used in machines, are almost always used with bearings. Rating life calculation вЂ¦

Online gear calculation of spur and helical gears with involute gear Sizes of individual wheel and gears pairing - easy, fast and completely free! Useful knowledge to the understanding: concepts and determinants for cylindrical gears Data entry Formulas for gear calculation вЂ“ external gears Contents: Relationship between the involute elements Determination of base tooth thickness from a known thickness and vice-versa. Cylindrical spur gears with standard profile Cylindrical spur gears with corrected profile вЂў Without centre distance variation вЂў With centre distance variation Cylindrical helical gears with standard profiles

Fig.4.7 Fundamental relationship of a helical gear (Right-hand) (1) Normal System Helical Gear In the normal system, the calculation of a profile shifted helical gear, the working pitch diameter dw and transverseworking pressure angle О±wt is done per Equations (4.15). That is because meshing of the helical gears in the transverseplane is just like spur gears and the calculation is similar. 11. Load calculation of gears 11.1 Calculation of loads on spur, helical, and double-helical gears There is an extremely close relationship among the two mechanical elements, gears and rolling bearings. Gear units, which are widely used in machines, are almost always used with bearings. Rating life calculation вЂ¦

### Fundamental Rating Factors and Calculation Methods for

Example of gearbox calculation mitcalc.com. Helical gear calculation using software - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Helical gear calculation using kisssoft software. helix angle 15, pressure angle 20 z1=20, z2=30, Gears, Velocity Ratios and Mechanical Advantage. What are gears and why are they so useful? вЂўGears are toothed wheels which interlock to form simple machines. вЂ“The tighter the joint, the less chance of slipping вЂ“Gears range in size but the important number is how many teeth a gear has. What are gears used for? вЂўTo reverse the direction of rotation вЂўTo increase or decrease the speed.

HELICAL GEAR FORMULAS HELICAL GEAR LEWIS FORMULA. Containing formulas and examples of both helical gear mathematics and the design of helical gear teeth, this volume examines tooth forms produced by standard cutters with their application to вЂ¦, analysis and design of spur and helical involute gears. Introduction Modern gear design is generally based on standard tools. This makes gear design quite sim-ple (almost like selecting fasteners), economical, and available for everyone, reducing tooling expenses and inventory. At the same time, it is well known that universal standard tools provide gears with less than optimum performance and.

### Helical Gear Mathematics Formulas and Examples

Fundamental Rating Factors and Calculation Methods for. Helical Gears Our helical gears come in alloy or mild steel options. Detailed below are ground axial helical gears and hobbed normal helical gears. Please click any of the gear вЂ¦ https://en.wikipedia.org/wiki/Helix_angle results of each calculation step, basic settings are computed as they are commonly used by modern CNC bevel gear generators in order to cut or grind real bevel gearsets. вЂ”Hermann J. Stadtfeld Gear Mathematics for Bevel & Hypoid Gears 50 GEAR TECHNOLOGY August вЂ¦.

By clicking on the link a full calculation listing is displayed. 1. V-Belt. Specification and calculation results: vbelt_01_example1_en.pdf. 2. External spur gear. Specification and calculation results: Gear1_01_example1_en.pdf. 3. Shaft No 1. Specification and calculation results: Shaft_No1_example1_en.pdf. 4. Shaft-hub connection. An internal gear is a gear with its teeth cut in the internal surface of a cylinder and meshes with regular, or external, gears. This online calculator generates the tooth profile equations and other parameters for an internal/external gear pair shown on this picture in red and blue.

The following online calculator computes the basic dimensions and tooth profile of an involute gear based on its module, number of teeth and pressure angle (the latter is usually 20В°). A gear wheel can be fully defined with as few as two parameters: the number of teeth ( z ) and module ( m ). An internal gear is a gear with its teeth cut in the internal surface of a cylinder and meshes with regular, or external, gears. This online calculator generates the tooth profile equations and other parameters for an internal/external gear pair shown on this picture in red and blue.

a KHK stock helical gears are designed to give the proper backlash when assembled using the center distance given by the formula on the right (center distance tolerance of H7~H8). The amount of backlash is given in the product table for each gear. b Please refer to overall length tolerance for Helical Gears вЂ¦ a KHK stock helical gears are designed to give the proper backlash when assembled using the center distance given by the formula on the right (center distance tolerance of H7~H8). The amount of backlash is given in the product table for each gear. b Please refer to overall length tolerance for Helical Gears вЂ¦

The following online calculator computes the basic dimensions and tooth profile of an involute gear based on its module, number of teeth and pressure angle (the latter is usually 20В°). A gear wheel can be fully defined with as few as two parameters: the number of teeth ( z ) and module ( m ). 09/01/2018В В· The gear ratio formula for two meshing gears is simple and intuitive, while the gear ratio formula for the planetary mechanism is not. In this tutorial, we will show you an original and easy-to

13 GearsвЂ”General Chapter Outline 13-1 Types of Gears 13-2 Nomenclature 13-3 Conjugate Action 13-4 Involute Properties 13-5 Fundamentals 13-6 Contact Ratio 13-7 Interference 13-8 The Forming of Gear Teeth 13-9 Straight Bevel Gears 13-10 Parallel Helical Gears 13-11 Worm Gears 13-12 Tooth Systems 13-13 Gear Trains 13-14 Force AnalysisвЂ”Spur Gearing 13-15 Force AnalysisвЂ”Bevel Gearing DESIGN AND ANALYSIS OF HELICAL GEAR 1K. NARESH 2C. CHANDRUDHU 1 Pg Scholar, Department of MECH, (M.Tech in 2015 from) SVR ENGINEERING COLLEGE,(Nandhyala, A.P, Affiliated to вЂ¦

Calculate gear and gear tooth dimensions using gear pitch and the number of teeth. 3. Calculate center to center distances for 2 or more gears in mesh. 4. Calculate and specify gear ratios. Some Things to Know Before You Start How to use a compass How to use a protractor to measure angles How to solve simple algebraic expression. Basic Geometric Terms. 3 GEARS Educational Systems 105 Webster Calculate gear and gear tooth dimensions using gear pitch and the number of teeth. 3. Calculate center to center distances for 2 or more gears in mesh. 4. Calculate and specify gear ratios. Some Things to Know Before You Start How to use a compass How to use a protractor to measure angles How to solve simple algebraic expression. Basic Geometric Terms. 3 GEARS Educational Systems 105 Webster

Created Date: 4/2/2001 8:33:35 AM 13 GearsвЂ”General Chapter Outline 13-1 Types of Gears 13-2 Nomenclature 13-3 Conjugate Action 13-4 Involute Properties 13-5 Fundamentals 13-6 Contact Ratio 13-7 Interference 13-8 The Forming of Gear Teeth 13-9 Straight Bevel Gears 13-10 Parallel Helical Gears 13-11 Worm Gears 13-12 Tooth Systems 13-13 Gear Trains 13-14 Force AnalysisвЂ”Spur Gearing 13-15 Force AnalysisвЂ”Bevel Gearing

## Parametric Design of a Spiral Gear Process

11. Load calculation of gears bearing.co.il. 19/03/2018В В· Helical gear design, Formulas for gear calculation вЂ“ external gears Contents: Relationship between the involute elements Determination of base tooth thickness from a known thickness and vice-versa. Cylindrical spur gears with standard profile Cylindrical spur gears with corrected profile вЂў Without centre distance variation вЂў With centre distance variation Cylindrical helical gears with standard profiles.

### Otvinta.com- Involute Gear Calculator

Helical Gear and Pinion Calculator and Equations. The design of a helical gear pair is a complex process. Generally it needs a large number of iterations and datasets. Andrnj. K and Jerzy. W [3] presented the comparison study of tooth root strength by using ISO and AGMA standards. Wei SUN, etc. [4] presented a new method to calculate bending deformation of an involute helical gear. M.R.Lias, Ondrives manufacture precision gears, gearboxes and gearbox parts. We are based in the UK, with international delivery and bulk discounts available.

Basically the project involv es the design, modelling and manufacturing of helical gears in marine applications. It is proposed to focus on reduction of weight and producing high accuracy gears. Key words : Gear design, Computer aided analysis, Gear hobbing, Gear вЂ¦ Bases for Calculation The ZAR1+ gear calculation program calculates the geometry and strength of externally and internally toothed straight spur and helical gears with involute toothing as well as rack-pinion gears in conformance with ISO 6336, ISO 1328, and DIN 3960, DIN 3961, DIN 3967 and DIN 3990.

Fig.4.7 Fundamental relationship of a helical gear (Right-hand) (1) Normal System Helical Gear In the normal system, the calculation of a profile shifted helical gear, the working pitch diameter dw and transverseworking pressure angle О±wt is done per Equations (4.15). That is because meshing of the helical gears in the transverseplane is just like spur gears and the calculation is similar. The helical gear formulas are given below for Diametral pitch (DP). To model the gear follow the same procedure explained for Module gear type. _____ Transverse diametral pitch = No. of teeth / Pitch diameter Normal diametral pitch = Transverse diametral pitch / COS (Helix angle)

DESIGN AND ANALYSIS OF HELICAL GEAR 1K. NARESH 2C. CHANDRUDHU 1 Pg Scholar, Department of MECH, (M.Tech in 2015 from) SVR ENGINEERING COLLEGE,(Nandhyala, A.P, Affiliated to вЂ¦ 19/03/2018В В· Helical gear design

Created Date: 4/2/2001 8:33:35 AM Formulas for gear calculation вЂ“ external gears Contents: Relationship between the involute elements Determination of base tooth thickness from a known thickness and vice-versa. Cylindrical spur gears with standard profile Cylindrical spur gears with corrected profile вЂў Without centre distance variation вЂў With centre distance variation Cylindrical helical gears with standard profiles

Online gear calculation of spur and helical gears with involute gear Sizes of individual wheel and gears pairing - easy, fast and completely free! Useful knowledge to the understanding: concepts and determinants for cylindrical gears Data entry Bases for Calculation The ZAR1+ gear calculation program calculates the geometry and strength of externally and internally toothed straight spur and helical gears with involute toothing as well as rack-pinion gears in conformance with ISO 6336, ISO 1328, and DIN 3960, DIN 3961, DIN 3967 and DIN 3990.

HELICAL GEARS HELICAL GEAR FORMULAS TRANSVERSE VS. NORMAL DIAMETRAL PITCH FOR BOSTON 45В° HELICAL GEARS HELICAL GEAR LEWIS FORMULA The beam strength of Helical Gears operating on parallel shafts can be calculated with the Lewis Formula revised to compen-sate for the difference between Spur and Helical Gears, with modified Tooth Form Factors Y. W=Tooth Load, Lbs. вЂ¦ Helical gear calculation using software - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Helical gear calculation using kisssoft software. helix angle 15, pressure angle 20 z1=20, z2=30

Formulas for gears calculation вЂ“ internal gears Contens Internal spur gears with normal profile Internal spur gears with corrected profile вЂў Without center distance variation вЂў With center distance variation Internal helical gears with normal profile Internal helical gears with corrected profile вЂў Without center distance variation By clicking on the link a full calculation listing is displayed. 1. V-Belt. Specification and calculation results: vbelt_01_example1_en.pdf. 2. External spur gear. Specification and calculation results: Gear1_01_example1_en.pdf. 3. Shaft No 1. Specification and calculation results: Shaft_No1_example1_en.pdf. 4. Shaft-hub connection.

Straight cut gears to the Gleason System up to 250mm diameter, can be provided in a variety of materials. Spur Gears In diametrical, circular or module pitches with tooling available most pitch sizes in both 141/ 2Лљ and 20Лљ pressure angle for gears up to 730mm diameter. Helical Gears With helix angles up to 45Лљ and pitch diameter up to 710mm. Helical Gears Our helical gears come in alloy or mild steel options. Detailed below are ground axial helical gears and hobbed normal helical gears. Please click any of the gear вЂ¦

Helical Gears Our helical gears come in alloy or mild steel options. Detailed below are ground axial helical gears and hobbed normal helical gears. Please click any of the gear вЂ¦ 19/03/2018В В· Helical gear design

a KHK stock helical gears are designed to give the proper backlash when assembled using the center distance given by the formula on the right (center distance tolerance of H7~H8). The amount of backlash is given in the product table for each gear. b Please refer to overall length tolerance for Helical Gears вЂ¦ applications, the helical gear can be used. This gear uses angled teeth to increase the contact ratio between the teeth of two meshed gears. Other advantages of helical gears are that they run more quietly than spur gears and that a smaller helical gear can transmit the same load as a larger spur gear (Hamrock et al. 2005, pg. 608). One

Spur Gear Terms and Concepts. Fig.4.7 Fundamental relationship of a helical gear (Right-hand) (1) Normal System Helical Gear In the normal system, the calculation of a profile shifted helical gear, the working pitch diameter dw and transverseworking pressure angle О±wt is done per Equations (4.15). That is because meshing of the helical gears in the transverseplane is just like spur gears and the calculation is similar., reduction gear unit can be selected from helical gear units, parallel shaft helical gear units, helical bevel gear units, helical-worm gear units, planetary gear units and SpiroplanВ® gear units. You can also select the corresponding frequency inverters and their options..

### A Comparison of Bending Stress and Contact Stress of a

Helical Gears Steel Ground. the above formula should also be adjusted by the gear factor f z as shown in Table 4.2. 4. Bearing Load Calculation Fig. 4.1 Spur gear loads Ks Kt Fig. 4.2 Helical gear loads Ks Kt a Fig. 4.3 Radial resultant forces Kt Kr s D p 4.1.2 Gear load The loads operating on gears can be divided into three main types according to the direction in which, DESIGN AND ANALYSIS OF HELICAL GEAR 1K. NARESH 2C. CHANDRUDHU 1 Pg Scholar, Department of MECH, (M.Tech in 2015 from) SVR ENGINEERING COLLEGE,(Nandhyala, A.P, Affiliated to вЂ¦.

### HELICAL GEAR FORMULAS HELICAL GEAR LEWIS FORMULA

Example of gearbox calculation mitcalc.com. The conventional formulas for the calculation of helical round wire compression springs are: Load as a function of deflection (spring rate): P G d4 R- -T- (1) Stress as a function of deflection: S G d (2) T' TDN These formulas, as well as calculation tables and nomographs de-rived from them, are in the proper form to calculate loads, stresses, and energies for a given spring. However, their https://en.wikipedia.org/wiki/Gear_train 13 GearsвЂ”General Chapter Outline 13-1 Types of Gears 13-2 Nomenclature 13-3 Conjugate Action 13-4 Involute Properties 13-5 Fundamentals 13-6 Contact Ratio 13-7 Interference 13-8 The Forming of Gear Teeth 13-9 Straight Bevel Gears 13-10 Parallel Helical Gears 13-11 Worm Gears 13-12 Tooth Systems 13-13 Gear Trains 13-14 Force AnalysisвЂ”Spur Gearing 13-15 Force AnalysisвЂ”Bevel Gearing.

applications, the helical gear can be used. This gear uses angled teeth to increase the contact ratio between the teeth of two meshed gears. Other advantages of helical gears are that they run more quietly than spur gears and that a smaller helical gear can transmit the same load as a larger spur gear (Hamrock et al. 2005, pg. 608). One a KHK stock helical gears are designed to give the proper backlash when assembled using the center distance given by the formula on the right (center distance tolerance of H7~H8). The amount of backlash is given in the product table for each gear. b Please refer to overall length tolerance for Helical Gears вЂ¦

3 August 15, 2007 13 Helical Gears August 15, 2007 14 Helical Gear August 15, 2007 15 Helical Gear Characteristics Helix angle 7 to 23 degrees More power Larger speeds More smooth and quiet operation Used in automobiles Helix angle must be the same for both the mating gears Produces axial thrust which is a disadvantage August 15, 2007 16 This free online calculation for helical gear geometry calculates the most important geometry Parameters according ISO 21771. In addition the tooth form is shown as grapics.

reduction gear unit can be selected from helical gear units, parallel shaft helical gear units, helical bevel gear units, helical-worm gear units, planetary gear units and SpiroplanВ® gear units. You can also select the corresponding frequency inverters and their options. Calculate gear and gear tooth dimensions using gear pitch and the number of teeth. 3. Calculate center to center distances for 2 or more gears in mesh. 4. Calculate and specify gear ratios. Some Things to Know Before You Start How to use a compass How to use a protractor to measure angles How to solve simple algebraic expression. Basic Geometric Terms. 3 GEARS Educational Systems 105 Webster

Helical gear calculation using software - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Helical gear calculation using kisssoft software. helix angle 15, pressure angle 20 z1=20, z2=30 analysis and design of spur and helical involute gears. Introduction Modern gear design is generally based on standard tools. This makes gear design quite sim-ple (almost like selecting fasteners), economical, and available for everyone, reducing tooling expenses and inventory. At the same time, it is well known that universal standard tools provide gears with less than optimum performance and

The article "Helical Gear Mathematics Formulas and Examples" appeared in the May/June 1988 issue of Gear Technology.. Summary The following excerpt is from the Revised Manual of Gear Design, Section III, covering helical and spiral gears. Helical Gears Calculator Formulas Pdf 11 -> DOWNLOAD 99f0b496e7 . (Helical Gear) Material (SCM440) Helical Gears K K . Formula NOTE 1 Formula of spur and helical gears on .

Bases for Calculation The ZAR1+ gear calculation program calculates the geometry and strength of externally and internally toothed straight spur and helical gears with involute toothing as well as rack-pinion gears in conformance with ISO 6336, ISO 1328, and DIN 3960, DIN 3961, DIN 3967 and DIN 3990. By clicking on the link a full calculation listing is displayed. 1. V-Belt. Specification and calculation results: vbelt_01_example1_en.pdf. 2. External spur gear. Specification and calculation results: Gear1_01_example1_en.pdf. 3. Shaft No 1. Specification and calculation results: Shaft_No1_example1_en.pdf. 4. Shaft-hub connection.

DESIGN AND ANALYSIS OF HELICAL GEAR 1K. NARESH 2C. CHANDRUDHU 1 Pg Scholar, Department of MECH, (M.Tech in 2015 from) SVR ENGINEERING COLLEGE,(Nandhyala, A.P, Affiliated to вЂ¦ This free online calculation for helical gear geometry calculates the most important geometry Parameters according ISO 21771. In addition the tooth form is shown as grapics.

Created Date: 4/2/2001 8:33:35 AM Helical Gears Our helical gears come in alloy or mild steel options. Detailed below are ground axial helical gears and hobbed normal helical gears. Please click any of the gear вЂ¦

Formulas for gear calculation вЂ“ external gears Contents: Relationship between the involute elements Determination of base tooth thickness from a known thickness and vice-versa. Cylindrical spur gears with standard profile Cylindrical spur gears with corrected profile вЂў Without centre distance variation вЂў With centre distance variation Cylindrical helical gears with standard profiles 6.10 Helical Gear Calculations 6.10.1 Normal System Helical Gear In the normal system, the calculation of a profile shifted helical gear, the working pitch diameter d w and working pressure angle О± wt in the axial system is done per Equations (6-10). That is because meshing of the helical gears in the axial direction is just like spur gears and the calculation is similar.

This calculator will determine the following design variables for a gear and pinion: Transverse DP, Circular Pitch, Module, Pressure Angle, Pitch Diameter Helical Gear and Pinion Calculator and Equations DESIGN AND ANALYSIS OF HELICAL GEAR 1K. NARESH 2C. CHANDRUDHU 1 Pg Scholar, Department of MECH, (M.Tech in 2015 from) SVR ENGINEERING COLLEGE,(Nandhyala, A.P, Affiliated to вЂ¦

parameters, the Direct Gear Design method provides certain advantages for custom high-performance gear drives that include: increased load capacity, efficiency and lifetime; reduced size, weight, noise, vibrations, cost, etc. However, manufacturing such directly designed gears requires not only custom tooling, but also customization of the gear Helical Gears Calculator Formulas Pdf 11 -> DOWNLOAD 99f0b496e7 . (Helical Gear) Material (SCM440) Helical Gears K K . Formula NOTE 1 Formula of spur and helical gears on .

19/03/2018В В· Helical gear design Containing formulas and examples of both helical gear mathematics and the design of helical gear teeth, this volume examines tooth forms produced by standard cutters with their application to вЂ¦

a KHK stock helical gears are designed to give the proper backlash when assembled using the center distance given by the formula on the right (center distance tolerance of H7~H8). The amount of backlash is given in the product table for each gear. b Please refer to overall length tolerance for Helical Gears вЂ¦ results of each calculation step, basic settings are computed as they are commonly used by modern CNC bevel gear generators in order to cut or grind real bevel gearsets. вЂ”Hermann J. Stadtfeld Gear Mathematics for Bevel & Hypoid Gears 50 GEAR TECHNOLOGY August вЂ¦