Gearbox for agricultural machinery

Recent Posts

• Flexographic Printing and Regenerative Thermal Oxidizers
• Electroplating zinc process flow
• Why do black spots (black stains) appear on electroplated products during salt spray testing?
• What does “maximum size of the holes connecting the parts” mean?
• What is the definition of minimum margin? What does minimum margin mean?
• Installation method for self-clinching nuts
• Regarding automatic lathes, and the different types of automatic lathes.
• How are internal and external threaded screws and nuts manufactured?
• CNC Machining
• How to machine stainless steel parts on an automatic lathe?
• How can beginners learn to operate an automatic lathe?
• Schematic diagram of the manufacturing process of cold-headed screws.
• Stainless steel fasteners in high-temperature working environments
• Performance standards for stainless steel screws: tensile strength/torque/proof stress/yield strength/material, etc.
• Regarding galling/seizing of stainless steel screws
• Hydrogen embrittlement issues in fasteners
• Breaking torque of stainless steel bolts and screws, breaking torque of carbon steel bolts
• Magnetic properties of stainless steel fasteners, magnetic issues with stainless steel screws
• Self-tapping screw inserts
• Lifting eye bolts, lifting eye nuts, stainless steel lifting eye bolts, stainless steel lifting eye nuts
• GB/T24425.1 Thread inserts, wire thread inserts
• Crown screw
• Standard specifications and torque standards for flat head socket head cap screws (DIN7991).
• Standard specifications and prices for pan head socket head cap screws (ISO 7380).
• Standard specifications and applications of hexagonal screws and DIN933 external hexagonal screws.
• Hex socket head screws, DIN912 standard specifications and applications.
• Standards, specifications, and technical parameters of combination screws (including GB9074.4, GB9074.13, and GB9074.8)
• What is the national standard for male and female screws?
• Comparison Table of Fastener Standards: Chinese National Standards, German Standards, and International Standards
• Some ideas and discussions on how to design plastic inserts
• Technical requirements and installation methods for hot-press nuts and pre-embedded nuts in plastic parts
• Problems and solutions during the installation of embedded copper nuts
• Injection molding process parameters for commonly used plastics
• Methods for embedding hot-melt nuts
• Types of copper nuts and their injection molding methods
• GB/T6403.3-2008 Standard Knurling (Straight Knurling and Diamond Knurling)
• GB922-1986 Standard Threads for Wood Screws
• GB/T5280-2002 Standard Threads for Self-Tapping Screws
• GB/T197-2018 Standard General Purpose Threads – Tolerances
• GB/T196-2003 Standard General Purpose Threads – Basic Dimensions
• GB/T 9145-2003 General Purpose Threads – Limit Dimensions of Medium Accuracy, Preferred Series
• GB/T193-2003 General Purpose Threads (General Purpose Metric Threads) – Diameter and Pitch Series
• GB/T3-1997, General Purpose Threads – Runout, Shoulder Distance, Undercut, and Chamfer, GB3 Standard
• Thread Effective Stress Area Table
• GB/T2516 Limit Deviations for General Purpose Threads
• Tapping Hole Diameter Table and Internal Thread Hole Diameter Table after Tapping
• Thread Rolling Diameter, Forming Diameter, and Tapping Hole Diameter Table (Metric and American)
• British and American Thread Parameters including Pitch and Number of Threads
• Thread Pitch Standards, Metric Thread Standard Table, American Thread Pitch Standards
• Thread Major, Pitch, and Minor Diameter Table
• Tolerances and Calculation Methods for Major, Pitch, and Minor Diameters of Metric Threads
• GB/T 3103.3-2020 Fastener Tolerances, Flat Washers
• GB1184 2010 Standard Wing Screws, Square Wing
• GB/T 6172.2-2016 Standard Hexagonal Thin Locking Nuts with Non-metallic Inserts
• GB/T6188-2017 Internal Hexalobular Socket for Bolts and Screws
• GB944.1-1985 Standard Screws with Phillips Head
• ISO 10664-2014 Internal Hexalobular Socket
• ISO 14583-2011 Standard Torx head screws
• ISO7047-2011 Standard Cross recessed countersunk head screws
• ISO7045-2011 Standard Cross recessed pan head screws, grade A, type H or Z
• ISO 4762-2004 Hexagon socket head cap screws
• ISO 4017-2022 Standard Hexagon head screws, grades A and B
• GB/T90.2-2002 Standard fasteners – Marking and packaging
• GB/T90.1-2023 Standard fasteners – Acceptance inspection
• GB/T5779.3-2000 Standard fastener surface defects – Bolts, screws and studs – Special requirements
• GB/T5779.2-2000 Standard fastener surface defects – Nuts