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Leveler Strength Single Joint

Leveler Strength Single

Leveler Strength Single Joints designed by Runsom are ideal for extreme torque applications with improved mechanical properties and manufacturing processes, making an increase in the strength and working life of these joints. Similar to the high-strength series, they have a … Read more

Cross-type needle bearing joints

Cross-Type Needle-Bearing, Stainless

Cross-type needle-bearing stainless steel joints are high-precision universal joints used in sanitary or corrosive environments. They retain minimal backlash over extended periods. They feature roller bearings to lower friction and extend lifespan in continuous operations and high RPM. Features Specifications … Read more

CNC machining tolerance

CNC Machining Tolerances: Common Types and Factors to Consider

The degrees of accuracy that may be achieved with CNC machines are exceedingly high. Certain machines have the capability of achieving accuracies of up to +/-0.0025mm. Milling a component on a CNC machine at the highest accuracy requires a significant … Read more

Selection from six grades of steel for CNC machining

Summary of Six Main Grades of Steel

Mechanical Property 1018 4130 4140 1045 1215 4340 Tensile Strength, Yield (MPa) 310 460 655 450 415 470 Shear Modulus (GPa) 78 80 80 60 80 74 Elongation at Break (%) 20 21.5 25.7 12 10 22 Hardness (Brinell) 131 … Read more

Selection from three grades of titanium for CNC machining

Summary of Three Main Grades of Titanium

Mechanical Property Titanium Grade 1 Titanium Grade 2 Titanium Grade 5 | 3.7164 | Ti6Al4V Ultimate tensile strength 240 MPa 344 – 420 MPa 950 MPa Yield strength 170 – 310 MPa 275 – 410 MPa 880 MPa Young’s modulus(modulus … Read more

Main Grades of Stainless Steel Available at Runsom

Summary of Six Main Grades of Stainless Steel

303 304 316 416 17-4PH 15-5 Ultimate tensile strength 528 – 639 MPa 480 – 620 MPa 480 – 620 MPa 741 – 1400 MPa 896 – 990 MPa 890 – 1490 MPa Elongation at break 35 – 55 % … Read more

Selection from four grades of brass for CNC machining

Summary of Four Main Grades of Brass

Mechanical Property C230 C260 C360 C353 Tensile strength 40-85.6 ksi 62 kpsi 58 kpsi 49-85 kpsi Modulus of Elasticity 15,900 ksi 16,000 ksi 14,000 ksi   15,200 ksi Elongation at break 5% 23% 53% 52 % Hardness(per Rockwell scale) B77 B77 B35 B65 … Read more

Selection from six grades of aluminum for CNC machining

Summary of Six Main Grades of Aluminum

Mechanical Property 6061 6082 6063 7075 2024 5052 Ultimate tensile strength 310 MPa 140-340 MPa 110-300 MPa 434-580 MPa 200-540 MPa 190-320 MPa Elongation at break 17% 6.3-18% 12 % 10-15% 14-20% 2-22% Modulus of elasticity 68.9 GPa 69-71 GPa … Read more

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Comparison of different prototyping processes

Process CNC Machining 3D Printing Injection Molding Die Casting Sheet Metal Advantages •Tight tolerance•High quality •Complex geometry•High resistance •Scalability •High repeatability •Near-net final shapes Mass production of thin, complexly shaped products •Make XL parts easily•Wide range of forming processes Disadvantages •Raw … Read more

Passivation of Stainless Steel

Passivation of Stainless Steel Parts

Often, there are some questions frequently asked by machine shops and manufacturers of various part materials, including stainless steel, titanium, and tantalum. These incorporate questions such as “what is passivation,” “how does passivation work,” and “how to passivate stainless steel … Read more

Industrial 3D Printing for Production of Parts

3D printing is among the leading manufacturing processes, also known as an additive process, paradox to the CNC machining, a subtractive process. Having lingered the stereotype of being merely a ‘prototype,’ industrial 3D printing has emerged as a proper manufacturing … Read more

CNC Machining Design Guide

The definition of CNC machining Generally speaking, computer numerical control (CNC) machining is a deduction manufacturing technique that produces finished parts by removing layers from solid blocks called blanks. CNC milling, one of the main types of CNC machining, using cutting tool … Read more

Design Tips for Minimizing CNC Machining Cost

Once you are searching for a CNC machined prototype or preparing your high volume parts production, one important issue you need to consider is the CNC parts manufacturing cost. There is no doubt that CNC design is the critical factor affect final pricing … Read more

3D printing Design Consideration

Various 3D printing processes are different in capabilities and design restrictions, but there are same key design considerations of all 3D printing processes. If you have finish your 3D designing  and modeling, keep this information graphic for a quick reference. … Read more

SLS Design Guideline

Selective Laser Sintering (SLS) is a suitable manufacturing technology for functional products with complex geometries. It has fewer design limitation than other 3D printing technologies. In addition, this technology is also suitable for batch production. We will introduce the advantages of … Read more

SLA Design Guideline

Stereolithography (SLA) is a 3D printing process with photopolymer resin solidified by laser system. It is most suitable for small size parts with fine details and high tolerance. We will introduce SLA printing process, SLA advantages and limitations, and finally SLA design … Read more

FDM Design Guideline

Introduction FDM (Fused Deposition Modeling) 3D printing technology is the most affordable method for rapid and low-cost prototyping. Its products is suitable for various application, including functional parts like enclosure. However, in order to guarantee FDM parts quality, we need to … Read more

DMLS Design Guideline

DMLS is a rapid manufacturing process, as metal additive manufactured parts are applied in various industry areas. Its great design freedom, component simplification and consolidation are best suitable for custom or medium volume parts production. DMLS printing process DMLS is a … Read more

Complex Features Control in CNC machining

As rapid development of CNC machining, CNC machines have grater production capabilities in every year. CNC cutting tools can mill various shape and drill radial hole in once operation process, which is normal required separate drilling and milling process. As most … Read more

Avoid Mistakes in CNC Design

Once you upload your CAD file to our quotation system, our engineering tea will analyse our design and provide you the most cost-effective solution. As CNC machining has ability to produce various geometry parts, there are still some critical element we should … Read more

Tips for Optimizing CNC Design

Optimize CNC Design

In order to guarantee prototypes and production parts manufacturing process fast and cost-effective, we need to balance the capabilities of CNC machining and optimized part designs. There are several critical considerations in CNC designing process for our milling and turning process, which will accelerate production cycle time and … Read more

Injection Molding Design Guideline

In order to guarantee final product quality and repeatability in injection molding process, we need to consider several factors in injection molding designing. There are certain design guidelines to yield full benefit of injection molding. In this blog, we outline common … Read more

Tips to Reduce Injection Molding Cost

There are many cost drivers in injection molding, in order to reduce the final cost of your projects, we analyze the main factors in injection molding, and summarize some actionable design tips in parts designing process. Cost Drivers The main cost … Read more

Optimal Shell and Infill Parameters for FDM

Introduction Most FDM parts are not fully solid, this will reduce total amounts of materials and printing time, finally result to economical printing cost. In order to optimize the FDM printing process, solid shells and addition with infill will play an … Read more

FDM Materials Comparing

As new materials emergence rapidly in 3D printing market, it is difficult to select the best suitable material for specific objects. In FDM, PLA and ABS are two main polymer in application, while new polymers are still play a major role in the … Read more

Geometry Restrictions in 3D Printing

Introduction In 3D printing process, we should consider the size and geometric restrictions in manufacturing process, and determine whether 3D models are suitable for 3D printing technology. These considerations are widely apply to any CAD designs, form basic mechanical parts to complex … Read more

MJF Design Guideline

Introduction MJF is one of the most accurate 3D printing technologies for high detail parts production. It can offer full colors and multi-materials with smooth surface finish. This is widely used for realistic prototypes and models, but not used for functional applications in … Read more

Binder Jetting Design Guideline

Introduction Binder Jetting has multiple capabilities in diverse production of functional metal parts, full-color prototypes, figurines and large sand casting. We will introduce the mechanics, characteristics and key benefit of Binder Jetting. Binder Jetting Process Binder Jetting create parts with adhesive layer-by-layer … Read more