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CWM Industry Spotlight: Robotics

CWM Industry Spotlight: Robotics
CWM Industry Spotlight: Robotics

Industry Outlook

Due to the increasing popularity of automation, the robotics industry continues an upward trend in today’s economy.  Robots take necessary operations and create measurable tasks, which can accurately estimate project timelines.  Robots also perform tasks at a lower cost and allow very little room for error, working in a way that cannot be replicated by a human manufacturing team.  New robot technology is constantly being researched and implemented, allowing rapid growth in capabilities.  Though the robotics industry is generally known for great success in automotive manufacturing, it has given various other industries the benefits of automation.

For example, service robotics are being utilized in government initiatives for military/defense sectors to reduce human involvement.  This would increase the number of unmanned ground vehicles deployed into the front lines, reducing the number of casualties in the face of danger.

The medical industry is another example.  Medical service robots work with MRI, CT scans, fluoroscopy and ultrasound imaging, increasing productivity and decreasing malpractice liability, human error, and the exposure of radiation to human staff.

Robot Usage Chart

Service robotics are estimated to reach $21.7 billion by 2022, with growth over 17.8% from 2015 to 2022.  Medical service robotics sales were just over $2.1 billion in 2014 and are expected to exceed $6 billion by 2022, growing 15% during the forecast period.

The Role of Die Casting in Robotics Products

There are many parts inside of a robot which are ideal candidates for the die casting process.  Aluminum, magnesium, and zinc are the most common alloys in die casting and all three can be used in any type of robotic equipment based on part requirements.  CWM die casts durable components that withstand the wear of repeated tasks, exposure to harsh environments as well as office settings, and protect the delicate electrical work in a robot.

How CWM Contributed Die Castings to the Industry

Chicago White Metal manufactures thousands of parts that have been incorporated into robots.  The CWM engineering team collaborates with customers to produce castings at reduced costs.  These parts are generally high in quality and in strength to protect the delicate electrical work in a robot.

Aluminum for Robotics

ReThink Robotics and CWM

Aluminum A380 is the most frequently used alloy in die casting, offering the best combination of material properties and castability.  Aluminum die castings are used in various industries, including the robotics industry.  CWM casts several components, including housing in the arm, wrist, base, “elbow”, and several other parts of industrial robots.  CWM offers an aluminum alloy data sheet, available for download here.

Aluminum is the ideal choice when the strength-weight ratio is important.  It is about 1/3 the weight of steel and higher tensile strength than cast iron, which are other popular metals used in robot manufacturing.  Of the three, aluminum is the most abundant resource, providing a cost-efficient product.  Aluminum is also an excellent non-magnetic, non-sparking conductor, which makes it suitable for robotic construction.

Magnesium in the future?

Magnesium AZ91D is known for its lightweight properties as a metal.  AZ91D can also be designed for robotic components, when the requirements call for a weight reduction and portability without compromising on material strength and rigidity.  Chicago White Metal can use magnesium in various robotic applications.  For more information on the Magnesium alloy AZ91D, download the white paper here.

If you would like to learn more about the capabilities of die casting and the robotics industry, e-mail us at sales@cwmtl.com or give us a call at 630-595-4424.

CWM Industry Spotlight: Lawn & Garden Industry for Die Castings

CWM Industry Spotlight: Lawn & Garden Industry for Die Castings

Industry Outlook

The lawn and garden power equipment industry is experiencing a steady increase each year, with a 3.2% annual growth rate.  Projections show that at this rate, the industry will reach $11.7 billion by 2019.  While the residential consumer segment still dominates the market, the commercial market has seen an uptick in growth that is clearly outpacing the segment.

The lawn and garden industry includes products such as lawnmowers, turf and grounds equipment, trimmers, edgers, garden tractors, rotary tillers, chainsaws, blowers, vacuums, pruners, sweepers, snow throwers, hedge trimmers, and many other power equipment items.  There is a growing importance within the industry not only for performance, portability, affordability and quality, but also to incorporate environmentally-friendly processes to the manufacturing and assembly of the internal parts of the equipment and machinery.

The Role of Die Casting in Lawn & Garden Products

There are hundreds of components within lawn and garden equipment and vehicles which are ideal candidates for the die casting process.  Aluminum, magnesium and zinc are the most common alloys in die casting and all three are used in a variety of lawn and garden product applications where they provide better overall value than plastic, stampings or machined parts.  Each of the die cast alloys have unique properties that can be used based on the requirements for the parts.  CWM die casts components in all three alloys to meet the durability and high strength demands for outdoor, rugged and long-lasting end products.

How CWM Contributed Die Castings to the Industry 

Chicago White Metal manufactures hundreds of thousands of parts which have made their way into various consumer and commercial applications within the industry.  The CWM Engineering team works with customers to engineer and produce durable, high quality parts at reduced costs.

Aluminum for Encasements

Aluminum A380 is by far the most frequently used alloy in die casting.  This alloy offers the best combination of material properties and castability.  Aluminum alloy die castings are used in a wide variety of industries, including the lawn and garden industry.  CWM casts several components, including gear cases, covers, and several parts which go into a differential assembly. 

Magnesium for Portability

Magnesium AZ91D is the material incorporated into the design of several components for portability because of the alloy’s lightweight properties – a known alternative to plastic but with the strength and rigidity of a metal.  Chicago White Metal uses magnesium to cast parts that are ultimately assembled in lawn and garden end products, including both consumer and professional handheld lawn maintenance equipment.  This bearing cap is part of an assembly inside of a professional hedge trimmer & blower.

Various roll cages have also been produced by CWM, which go into differentials found in commercial and consumer mowers.  Along with the examples given, many other components have been engineered and manufactured by our team to carefully meet the high standards of our customers within the lawn and garden industry.

If you would like to learn more about the capabilities of die casting and the lawn and garden industry, e-mail us at sales@cwmtl.com or give us a call at 630-595-4424.

The Verdict Is In… CWM and Stenograph Win the IMA Award for Die Cast Design!

Stenograph wins IMA Award for Die Cast Design

The verdict is in – Chicago White Metal joined forces with Stenograph to not only meet the requirements for producing the high-end stenotype machine parts, but also to win the “case” for Commercial Castings – Excellence in Design from the International Magnesium Association (IMA).

CWM and Stenograph Win the IMA Award for Die Cast Design

The International Magnesium Association (IMA) was founded in 1943 with a mission in mind – “promote the use of the metal magnesium in material selection and encourage innovative applications of the versatile metal.”

Stenograph produces high-end, portable stenotype machines for court reporters with exceptional quality.  The Stenograph Luminex is more than 1 lb. lighter than the previous model, 33% thinner, and stands at a mere 2.5″ tall.

Walter Treiber, Chairman, accepts IMA Award for Die Cast Design

This Award of Excellence is an annual award that is given to the company demonstrating an outstanding example of the use of magnesium.  The magnesium screen frame serves as an ideal metal replacement for plastic, creating a high-end “feel” and look to the end product.  The keyboard chassis replaced aluminum with magnesium for decreased mass, allowing the final product to offer maximum portability.

Walter Treiber explains at the IMA’s World Conference in Italy why magnesium was ultimately chosen for the die cast design of this particular casting.

CWM Ice Sculpture

Magnesium’s ability to be die cast with an excellent surface finish allows the screen frame part to readily accept a highly cosmetic appearance, giving a sleek, reflective surface finish to the screen frame.  A court reporter is expected to type the official transcripts of court hearings several times a day with amazing efficiency, so the decision to cast the keyboard chassis in magnesium reduced the overall end product mass, which increased portability from one courtroom to the next.”

Congratulations to Chicago White Metal and Stenograph for the success and excellence in die casting!

Visit Stenograph for more information on the Stenograph Luminex.

The Village of Bensenville and CWM Strengthen Ties with a Facility Tour

Spring 2016, Vol. 12, No. 1

Chicago White Metal further strengthens its ties with Village of Bensenville by offering an exclusive tour of the CWM facilities.  The relationship between Bensenville and CWM has existed since the 1970’s, when the company moved from its Chicago location and built the Bensenville plant.  About 1 1/2 years ago, CWM was featured on the Village of Bensenville local TV show, “Made In Bensenville,” in which Mayor Frank Soto and Eric Treiber discussed the manufacturing industry, the history of the company, the current state of die casting, corporate culture, and other issues.

Mayor Soto was accompanied by new Village Manager Evan Summers and Marketing & Business Development Administrator Mike Martella.

CWM President & CEO Gives tour of CWM Facility

Bill Baraglia Appointed Chief Operating Officer for Chicago White Metal Castings, Inc.

Bill Baraglia - COO
Bill Baraglia Appointed Chief Operating Officer for Chicago White Metal Castings, Inc.

Chicago White Metal Casting, Inc., manufacturer of custom die cast components, has announced the promotion of Vice President of Manufacturing Bill Baraglia to Chief Operating Officer.  Bill is one of the longest-tenured members of the CWM team, second only to Walter Treiber, Chairman.  His 47 years of dedication, loyalty and leadership helped pave the way for Chicago White Metal to achieve many successes over the company’s nearly 80-year existence.

“Bill’s amazing perseverance, dogged pursuit of excellence, and support of CWM’s cultural pillars of positive attitude, fulfillment of commitments, respect for all others, transparency in all dealings, and never catering to rank are readily identifiable in all activities in which Bill participates,” says CEO Eric Treiber.

Newly appointed COO Bill Baraglia offered a brief statement on the topic: “Being a part of the CWM team is like having the fastest race car on the track – you can’t help but win as long as you are going in the right direction!”

Congratulations, Bill!

Porosity at a Glance

Porosity at a Glance

Die casting is a process whereby liquid metal is injected into a steel die to form a die cast part.  The filling and solidification occurs rapidly under high pressure, and the part “freezes” quickly.   The very nature of this fast-cycling process creates castings that contain some degree of porosity.

What is porosity?

Porosity in a die casting occurs when there is an air pocket that forms because air or gas is entrapped in the metal as it solidifies (gas porosity), or, it is caused by the metal shrinking away from thick sections and toward thin sections, leaving voids in the center (shrink porosity).

 

Gas Porosity

The formation of “bubbles” is a sign that the gas is being trapped within the die cast part, which is indicative of gas porosity.  When close to the surface of the casting, these pores can cause surface blisters to form.  A die casting engineer will take a look at venting, gating, lubrication, an increase in time held within the die, and other factors that may contribute to the defect.

 
Porosity at a Glance

Shrinkage Porosity

These pores are larger and irregular in size, occurring in heavy sections of the die casting.  Shrinkage porosity decreases the integrity of the die cast part, especially when machining operations are located in close proximity to the pores.  A die cast engineer will look at the potential of eliminating thick walls and redesigning the section where shrinkage porosity occurs.

Porosity can be influenced by:

  • Material cleanliness
  • Part Design
  • Die Design
  • Metal & Die Temperatures
  • Die Casting Machine Pressure
  • Spray or Mold release
  • Shot Speed
  • Wall Thickness
  • Shrinkage

In order to gain a better understanding of the formation of porosity, a basic knowledge of the die casting process is helpful.

Die Casting 101

Die casting is a process that involves molten metal being placed inside a shot cylinder.  A piston uses a great amount of force and speed to inject the liquid metal into the die that is mounted to a machine.  The machine provides the power to inject the metal and to hold the die shut until solidification occurs, which is aided by using water or oil cooling in the die.   The machine then opens the die and a series of ejector pins, built into the die, move forward to push the part out.

This process is repeated with every die cast part.

CWM die casts all 3 of the most common families of alloy; aluminummagnesium, and zinc.   We employ state-of-the-art engineering systems to design the dies and develop the process parameters to help make sure that porosity is minimized.

For more information or if you would like to discuss your project further, feel free to contact one of our CWM engineers at sales@cwmtl.com or give us a call at 630-595-4424.

CWM and A-Dec Dental win the prestigious IMA Award for Die Casting!

LED Light Housing Magnesium Die Casting Part
CWM and A-Dec Dental win the prestigious IMA Award

Chicago White Metal does it again!  To add to the collection of die casting awards, CWM teamed up with A-Dec to create a part that fulfills and exceeds the high standards and quality of A-Dec’s parts, which ultimately became an award-winning duo.

The International Magnesium Association (IMA) was founded in 1943 with a mission in mind – “promote the use of the metal magnesium in material selection and encourage innovative applications of the versatile metal.”

A-Dec produces high-end dental products with exceptional quality.

This Award of Excellence is an annual award that is given to the company demonstrating an outstanding example of the use of magnesium.  With the rear housing and driver die castings being the first magnesium parts to be used in A-Dec’s LED Operatory Dental Light, the benefit of a decreased mass, ease of movement, and satisfaction of the customer proved to be a winner in itself, even without the award.

Magnesium Light Housing

When asked why a magnesium die casting was chosen for this application, a presentation given by Jon Miller a the Closing Banquet said the following:

“Magnesium’s strength-to-weight ratio and thin-wall casting capability allowed for a thin-walled, lightweight part, which in turn allowed for a slender, stylish, ergonomic support structure.  Magnesium’s low mass enables the LED light to be easily maneuvered/positioned and minimizes issues with drift, inertia, or vibration.  Magnesium’s ability to dissipate heat allowed for passive cooling of the circuit board and diode connection points.  This means fewer moving parts and helps the unit achieve an estimated 20-year service life.  Magnesium’s ability to be die cast with excellent surface finish, and to readily accept commercial RoHs-compliant pre-treatment and powder paint allowed the light housing to have a highly cosmetic appearance, matching the uniformity of the mating molded plastic and painted tubular structure.”

Congratulations to CWM and to A-Dec for amazing teamwork on this magnesium die casting duo!  

Many Places for Mini: Miniature Zinc Die Castings

Miniature Zinc Die Castings
Miniature Zinc Die Casting Examples

Miniature zinc die casting is a precision die casting process that addresses the need for smaller component production.  The process is similar to conventional hot chamber die casting, but has the ability to produce castings with faster cycle times, tighter tolerances, and minimal value-added operations.  It can also be an economical replacement for other processes such as screw machine or stamping.

These miniature parts can be cast with great precision in comparison to larger die castings

Thin walls, minimal flash, and ability to produce complex geometries are among the benefits of choosing miniature die casting for smaller parts.  Miniature die casting can be used in many different industries such as: medical, military/government, electronics, computers & peripherals, lawn & garden, alternative energy, telecommunications, global positioning services (GPS), lighting, consumer products, automotive, and many others. n also be an economical replacement for other processes such as screw machine or stamping.

Miniature Zinc Die Castings

Using four-slide machines and single cavity tools, cycle times are significantly faster than conventional die casting, yet still offer great accuracy and repeatability.  With a single cavity tool, tolerances of +/- .001 of an inch are possible on select features. This becomes a crucial advantage as die cast parts get smaller, as costly secondary machining can be avoided.  If larger volumes are required, it is not uncommon to utilize multiple cavity tooling.

For more information on miniature zinc die casting, visit our Mini Zinc Die Casting Page or e-mail us at sales@cwmtl.com.

CWM Meets with High Schoolers to Discuss Education and Future Careers in Die Casting

CWM Meets with High Schoolers

Chicago White Metal is dedicated not only to providing quality die casting parts to customers, but also to the education and futures of the younger population.  In an effort to increase awareness and debunk the common misconceptions of manufacturing career opportunities (specifically how it pertains to a die casting company), CWM visited Fenton High School’s engineering classes on January 12th, 2015 to provide them information on opportunities available with in-house training, certifications, and a college education.

Fenton High School has a dedication to inspire and educate each individual student to serve his or her fullest potential.  As a “Project Lead the Way” school, this dedication has a rigorous academic program focused on Science, Technology, Engineering, and Mathematics, known as STEM.  This provides each student with the necessary preparation for careers in the 21st century.

Chicago White Metal gave a presentation to each of the advanced engineering classes, providing an in depth look at payscale expectations at different educational levels, and a case study of a die casting part from design to end product.  Fenton engineering students were eager to ask questions and learn more about how their current curriculum would prepare them for an engineering project manager such as this.  Rob Malarky (Assistant Director of Engineering), Eric Treiber (CEO/President) and Jon Miller (V.P. of Sales and Marketing) all gave different and dynamic perspectives on the die casting industry, providing a comprehensive insight on what these students have to look forward to.

As an additional treat, CWM was given a tour of the FHS Applied Technology Department.

Fenton has already set up a field trip for the students to visit our 125,000 sq. ft. die casting parts facility, just down the street from the school.

Stay tuned for the next educational stopover by our CWM Die Casting Scholastic Street Team!

CWM Gives Back for the Holidays

CWM Gives Back for the Holidays

Every year around the holidays, Chicago White Metal actively participates in Toys for Tots, a foundation that delivers toys to kids who would otherwise not have presents for the holiday season.  CWM Employees all come together to provide a plethora of quality toys and goodies for children, in the spirit of giving.  Organized and orchestrated by Cathy Haener, our Human Resources Manager, this event reminds us how fortunate we are and through our interconnectedness with others, how CWM “pays it forward.”

CWM Donates to Toys for Tots