Dr. Gerard Nijman

Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

On-demard Webinars by Expert

Understanding the General Layout of a Tire Tread and Side Wall Extrusion Line
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~ 90 Min.
To Register: Details & Register
Description: This webinar discusses about multiplex extrusion lines; tread profiles; side wall profiles; concept of die design; take-off and shrinkage conveyor; online measurements like meter weight and total width; profile scanning; cooling section; calculation of cooling capacity; cut to length; autobooking; profile winding; quality control in an extrusion line
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Die Design for Extruded Tire Components
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~ 90 Min.
To Register: Details & Register
Description: This webinar discusses about general layout of a multiplex aggregate for tyre components; co-extrusion; Flow channel; preformer; final die; shrinkage conveyor; shrinkage and after shrinkage; Extrudate swell; outlet speed correction; relaxed extrusion; guideline for the design of tyre component dies etc.
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Rubber Profile Extrusion & Vulcanization Lines
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~90 MIn
To Register: Details & Register
Description: This webinar discusses about types of rubber extruder; extrusion head; shear head; gear pump; strainer; vulcanization lines; sulphur cross linking; peroxide vulcanization; How to determine the vulcanization time etc.
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Understanding the Working Principle of the Rubber Extruder
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~90 Min
To Register: Details & Register
Description: This webinar discusses about general layout of a rubber extruder; drag flow; pressure flow; extruder characteristic; pumping characteristic; comparison between theory and practice; flow resistance; mooney viscosity; power law; pin barrel extruder etc.
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Rubber Extrusion : Theory and Practice (MasterClass)
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~360 Min
To Register: Details & Register
Description: Module 1 : Rubber Extrusion: An Introduction
Module 2 : Theory of Tyre component and Rubber extrusion
Module 3 : Tyre Component Extrusion Practice
Module 4 : Die design and Running in of New Profiles
Module 5 : Detailed Description of Extrusion Lines
Module 6 : Troubleshooting Extrusion Process
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

How to Reduce Tyre Component Extrusion Variation and What is the Impact on Tyre Quality
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~90 Min
To Register: Details & Register
Description: After a short introduction on tread, sidewall and innerliner extrusion; various extrusion problems and their relation to tyre quality will be discussed. Among others: Tread conicity, Homogeneity and growth rings, porosity, skiving, tread length variation, shrinkage and after-shrinkage and building tack. The root causes are being discussed as well as the way how to solve the problems.
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Rubber Mixing Technology
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~90 Min
To Register: Details & Register
Description: This KnowHow Webinar discusses about: Raw materials, compound recipe; Definitions of the degree of mixing; Mixing processes; Distributive mixing and dispersive mixing; Filler dispersion; Batch mixers or internal mixers; the mixing process and its fingerprint; Mixing efficiency; Temperature built up and its importance on the mixing process and Mixing procedures and how to optimize.
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Mixing of Silica Compounds and the In-Situ Silanization Process
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~90 Min
To Register: Details & Register
Description: This KnowHow Webinar discusses about Carbon Black mixing versus Silica mixing; Why is silica mixing of an increasing importance in the tyre industry?; Macro dispersion & micro dispersion; Dynamic mechanical properties; and Silica dispersion development during mixing. It is advised to join the KnowHow Webinar on “Rubber Mixing Technology” by Dr. Gerard Nijman prior to join this webinar on “Silica Mixing with Rubber and the In-Situ Silanization Process”.
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Cord Calendering Technology in Rubber/Tire Industry
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~90 Min
To Register: Details & Register
Description: This KnowHow Webinar discusses about applications of calendaring in rubber/tire products requirement; pressure built up in the calender nip region; examples of major calender parameters; roll bending and methods to compensate; general lay out of a calender-line for steel and fabric coating; and Understanding the calender roll wear pattern.
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Rheology and Rheological Effects in Rubber Compounds
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~90 Min
To Register: Details & Register
Description: This KnowHow Webinar discusses about: definitions of rheological parameters; Flow Behavior; Flow Profile; Yield Stress; Wall Slippage; Temperature Dependence; Thixotropy, Weisenberg Effect; Influence of Softener and Filler; Measurement, Die Swell; Various case studies on rubber compounds of their rheological results interpretation
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Tyre Design & Construction : An Introduction
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~120 Min
To Register: Details & Register
Description: A tyre is a highly engineered composite product made of rubber, steel and textile cords. It is the connection between the vehicle and the ground. This webinar is meant for people not very much familiar with tyres. The different applications of tyres will be discussed and the function of each component into a tyre. Tyre design, tread pattern and tyre testing, both indoor and outdoor, will be discussed. Last but not least how a tyre is being made will be shown as well.
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Q & A with Expert : Tyre Extrusion Troubleshooting
Registration Fee: Member: 225 US$
Non-Member: 375 US$
Group (5 Pax): 900 US$
Language: English
Time Length: ~90 Min
To Register: Details & Register
Description: Q & A with Expert: Tyre Extrusion Troubleshooting is scheduled on 14 May 2021 at 3pm Germany. In this session, all professionals related to tyre extrusion are invited to join. The registered participants can ask questions or queries on technical issues related to tyre extrusion. The invited expert is Dr. Gerard Nijman, a well-experienced rubber technologist with more than 30 years experience in rubber processing and tyre manufacturing. Dr. Gerard will address the issues raised as appropriate. Registered participants can send questions in advance that they want to ask or they can ask their questions in the live session. If participants wish to have a private session with it will be arranged at mutual convenient time. Private Session length is 90 minutes maximum.
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

Tyre Extrusion - Principles & Practice (MasterClass)
Registration Fee: Member: 675 US$
Non-Member: 900 US$
Group (5 Pax): 2,100 US$
Language: English
Time Length: ~5 Hours
To Register: Details & Register
Description: Module 1: Understanding the Working Principle of the Rubber Extruder Module 2: Understanding the General Layout of Tire Tread and Sidewall Extrusion Line Module 3: Die Design for Extruded Tire Components Module 4: How to Reduce Tire Component Extrusion Variation and How to Reduce Defects?
Speaker: Dr. Gerard Nijman, a well-experienced and recognized rubber technologist has 33+years’ experience in rubber processing and tyre manufacturing. Currently, he is working as the Head of R&D and Technology Rubber Machinery at KraussMaffei Extrusion GmbH, Germany. In the past, He worked at Apollo Tyres (former Vredestein), Netherlands (29 yrs) as R&D Sr. Expert and also worked at HF-Tiretech Group, Germany as Head of Extrusion Process Engineering. He is awarded with 17 patents and received “Europe Rubber Technologist Award 2016”. He is a regular invited speaker and trainer at tyre and rubber industry conferences and workshops across the world. His educational credentials include: Ph.D in Polymer Processing ((University of Twente, Netherlands) and Master´s degree in Rheology (University of Twente, Netherlands).

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